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Finding the Third Proportional to 133,053 and 206,587

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Solution

The third proportional to 133,053 and 206,587 is: 320,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053 : 206,587 = 206,587 : x
  2. Step 2: Convert to fraction form
    133,053/206,587 = 206,587/x
  3. Step 3: Cross multiply
    133,053x = 206,587 × 206,587
  4. Step 4: Simplify right side
    133,053x = 42,678,188,569
  5. Step 5: Solve for x
    x = 42,678,188,569/133,053
  6. Step 6: Final answer
    x = 320,760.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.