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Finding the Third Proportional to 11,689.50 and 25,251

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Solution

The third proportional to 11,689.50 and 25,251 is: 54,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.50 : 25,251 = 25,251 : x
  2. Step 2: Convert to fraction form
    11,689.50/25,251 = 25,251/x
  3. Step 3: Cross multiply
    11,689.50x = 25,251 × 25,251
  4. Step 4: Simplify right side
    11,689.50x = 637,613,001
  5. Step 5: Solve for x
    x = 637,613,001/11,689.50
  6. Step 6: Final answer
    x = 54,545.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.