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Finding the Third Proportional to 39,129.75 and 63,001.13

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Solution

The third proportional to 39,129.75 and 63,001.13 is: 101,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.75 : 63,001.13 = 63,001.13 : x
  2. Step 2: Convert to fraction form
    39,129.75/63,001.13 = 63,001.13/x
  3. Step 3: Cross multiply
    39,129.75x = 63,001.13 × 63,001.13
  4. Step 4: Simplify right side
    39,129.75x = 3,969,141,751.27
  5. Step 5: Solve for x
    x = 3,969,141,751.27/39,129.75
  6. Step 6: Final answer
    x = 101,435.40

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.