Home / 331,870-728,252

Finding the Third Proportional to 331,870 and 728,252

Calculator

Solution

The third proportional to 331,870 and 728,252 is: 1,598,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,870 : 728,252 = 728,252 : x
  2. Step 2: Convert to fraction form
    331,870/728,252 = 728,252/x
  3. Step 3: Cross multiply
    331,870x = 728,252 × 728,252
  4. Step 4: Simplify right side
    331,870x = 530,350,975,504
  5. Step 5: Solve for x
    x = 530,350,975,504/331,870
  6. Step 6: Final answer
    x = 1,598,068.45

Related Problems

Find third proportional to 165,935 and 364,126
Half scale
Find third proportional to 663,740 and 1,456,504
Double scale
Find third proportional to 331,872 and 728,256
Similar ratio
Find third proportional to 497,805 and 1,092,378
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.