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Finding the Third Proportional to 52,560.75 and 81,609.75

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Solution

The third proportional to 52,560.75 and 81,609.75 is: 126,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,560.75 : 81,609.75 = 81,609.75 : x
  2. Step 2: Convert to fraction form
    52,560.75/81,609.75 = 81,609.75/x
  3. Step 3: Cross multiply
    52,560.75x = 81,609.75 × 81,609.75
  4. Step 4: Simplify right side
    52,560.75x = 6,660,151,295.06
  5. Step 5: Solve for x
    x = 6,660,151,295.06/52,560.75
  6. Step 6: Final answer
    x = 126,713.40

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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.