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Finding the Third Proportional to 53,286.75 and 82,117.13

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Solution

The third proportional to 53,286.75 and 82,117.13 is: 126,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.75 : 82,117.13 = 82,117.13 : x
  2. Step 2: Convert to fraction form
    53,286.75/82,117.13 = 82,117.13/x
  3. Step 3: Cross multiply
    53,286.75x = 82,117.13 × 82,117.13
  4. Step 4: Simplify right side
    53,286.75x = 6,743,222,218.27
  5. Step 5: Solve for x
    x = 6,743,222,218.27/53,286.75
  6. Step 6: Final answer
    x = 126,545.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.