Home / 385,996-830,312

Finding the Third Proportional to 385,996 and 830,312

Calculator

Solution

The third proportional to 385,996 and 830,312 is: 1,786,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,996 : 830,312 = 830,312 : x
  2. Step 2: Convert to fraction form
    385,996/830,312 = 830,312/x
  3. Step 3: Cross multiply
    385,996x = 830,312 × 830,312
  4. Step 4: Simplify right side
    385,996x = 689,418,017,344
  5. Step 5: Solve for x
    x = 689,418,017,344/385,996
  6. Step 6: Final answer
    x = 1,786,075.55

Related Problems

Find third proportional to 192,998 and 415,156
Half scale
Find third proportional to 771,992 and 1,660,624
Double scale
Find third proportional to 385,998 and 830,316
Similar ratio
Find third proportional to 578,994 and 1,245,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.