Home / 381,654,440-830,889,643

Finding the Third Proportional to 381,654,440 and 830,889,643

Calculator

Solution

The third proportional to 381,654,440 and 830,889,643 is: 1,808,907,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,654,440 : 830,889,643 = 830,889,643 : x
  2. Step 2: Convert to fraction form
    381,654,440/830,889,643 = 830,889,643/x
  3. Step 3: Cross multiply
    381,654,440x = 830,889,643 × 830,889,643
  4. Step 4: Simplify right side
    381,654,440x = 690,377,598,844,667,392
  5. Step 5: Solve for x
    x = 690,377,598,844,667,392/381,654,440
  6. Step 6: Final answer
    x = 1,808,907,552.19

Related Problems

Find third proportional to 190,827,220 and 415,444,821.50
Half scale
Find third proportional to 763,308,880 and 1,661,779,286
Double scale
Find third proportional to 381,654,442 and 830,889,647
Similar ratio
Find third proportional to 572,481,660 and 1,246,334,464.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.