Home / 438,624-656,208

Finding the Third Proportional to 438,624 and 656,208

Calculator

Solution

The third proportional to 438,624 and 656,208 is: 981,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,624 : 656,208 = 656,208 : x
  2. Step 2: Convert to fraction form
    438,624/656,208 = 656,208/x
  3. Step 3: Cross multiply
    438,624x = 656,208 × 656,208
  4. Step 4: Simplify right side
    438,624x = 430,608,939,264
  5. Step 5: Solve for x
    x = 430,608,939,264/438,624
  6. Step 6: Final answer
    x = 981,726.81

Related Problems

Find third proportional to 219,312 and 328,104
Half scale
Find third proportional to 877,248 and 1,312,416
Double scale
Find third proportional to 438,626 and 656,211
Similar ratio
Find third proportional to 657,936 and 984,312
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.