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Finding the Third Proportional to 159,001.50 and 215,174.25

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Solution

The third proportional to 159,001.50 and 215,174.25 is: 291,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001.50 : 215,174.25 = 215,174.25 : x
  2. Step 2: Convert to fraction form
    159,001.50/215,174.25 = 215,174.25/x
  3. Step 3: Cross multiply
    159,001.50x = 215,174.25 × 215,174.25
  4. Step 4: Simplify right side
    159,001.50x = 46,299,957,863.06
  5. Step 5: Solve for x
    x = 46,299,957,863.06/159,001.50
  6. Step 6: Final answer
    x = 291,191.96

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.