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Finding the Third Proportional to 322,472 and 508,440

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Solution

The third proportional to 322,472 and 508,440 is: 801,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,472 : 508,440 = 508,440 : x
  2. Step 2: Convert to fraction form
    322,472/508,440 = 508,440/x
  3. Step 3: Cross multiply
    322,472x = 508,440 × 508,440
  4. Step 4: Simplify right side
    322,472x = 258,511,233,600
  5. Step 5: Solve for x
    x = 258,511,233,600/322,472
  6. Step 6: Final answer
    x = 801,654.82

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.