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Finding the Third Proportional to 12,354.50 and 27,169

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Solution

The third proportional to 12,354.50 and 27,169 is: 59,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.50 : 27,169 = 27,169 : x
  2. Step 2: Convert to fraction form
    12,354.50/27,169 = 27,169/x
  3. Step 3: Cross multiply
    12,354.50x = 27,169 × 27,169
  4. Step 4: Simplify right side
    12,354.50x = 738,154,561
  5. Step 5: Solve for x
    x = 738,154,561/12,354.50
  6. Step 6: Final answer
    x = 59,747.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.