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Finding the Third Proportional to 356,363 and 718,557

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Solution

The third proportional to 356,363 and 718,557 is: 1,448,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,363 : 718,557 = 718,557 : x
  2. Step 2: Convert to fraction form
    356,363/718,557 = 718,557/x
  3. Step 3: Cross multiply
    356,363x = 718,557 × 718,557
  4. Step 4: Simplify right side
    356,363x = 516,324,162,249
  5. Step 5: Solve for x
    x = 516,324,162,249/356,363
  6. Step 6: Final answer
    x = 1,448,871.41

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.