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Finding the Third Proportional to 71,308.75 and 106,740.75

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Solution

The third proportional to 71,308.75 and 106,740.75 is: 159,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,308.75 : 106,740.75 = 106,740.75 : x
  2. Step 2: Convert to fraction form
    71,308.75/106,740.75 = 106,740.75/x
  3. Step 3: Cross multiply
    71,308.75x = 106,740.75 × 106,740.75
  4. Step 4: Simplify right side
    71,308.75x = 11,393,587,710.56
  5. Step 5: Solve for x
    x = 11,393,587,710.56/71,308.75
  6. Step 6: Final answer
    x = 159,778.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.