Home / 439,020-656,658

Finding the Third Proportional to 439,020 and 656,658

Calculator

Solution

The third proportional to 439,020 and 656,658 is: 982,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,020 : 656,658 = 656,658 : x
  2. Step 2: Convert to fraction form
    439,020/656,658 = 656,658/x
  3. Step 3: Cross multiply
    439,020x = 656,658 × 656,658
  4. Step 4: Simplify right side
    439,020x = 431,199,728,964
  5. Step 5: Solve for x
    x = 431,199,728,964/439,020
  6. Step 6: Final answer
    x = 982,186.98

Related Problems

Find third proportional to 219,510 and 328,329
Half scale
Find third proportional to 878,040 and 1,313,316
Double scale
Find third proportional to 439,022 and 656,661
Similar ratio
Find third proportional to 658,530 and 984,987
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.