Home / 355,385-838,940

Finding the Third Proportional to 355,385 and 838,940

Calculator

Solution

The third proportional to 355,385 and 838,940 is: 1,980,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,385 : 838,940 = 838,940 : x
  2. Step 2: Convert to fraction form
    355,385/838,940 = 838,940/x
  3. Step 3: Cross multiply
    355,385x = 838,940 × 838,940
  4. Step 4: Simplify right side
    355,385x = 703,820,323,600
  5. Step 5: Solve for x
    x = 703,820,323,600/355,385
  6. Step 6: Final answer
    x = 1,980,444.65

Related Problems

Find third proportional to 177,692.50 and 419,470
Half scale
Find third proportional to 710,770 and 1,677,880
Double scale
Find third proportional to 355,387 and 838,945
Similar ratio
Find third proportional to 533,077.50 and 1,258,410
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.