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Finding the Third Proportional to 59,103 and 129,687

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Solution

The third proportional to 59,103 and 129,687 is: 284,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,103 : 129,687 = 129,687 : x
  2. Step 2: Convert to fraction form
    59,103/129,687 = 129,687/x
  3. Step 3: Cross multiply
    59,103x = 129,687 × 129,687
  4. Step 4: Simplify right side
    59,103x = 16,818,717,969
  5. Step 5: Solve for x
    x = 16,818,717,969/59,103
  6. Step 6: Final answer
    x = 284,566.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.