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Finding the Third Proportional to 204,336 and 272,712

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Solution

The third proportional to 204,336 and 272,712 is: 363,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,336 : 272,712 = 272,712 : x
  2. Step 2: Convert to fraction form
    204,336/272,712 = 272,712/x
  3. Step 3: Cross multiply
    204,336x = 272,712 × 272,712
  4. Step 4: Simplify right side
    204,336x = 74,371,834,944
  5. Step 5: Solve for x
    x = 74,371,834,944/204,336
  6. Step 6: Final answer
    x = 363,968.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.