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Finding the Third Proportional to 15,747.75 and 25,363.13

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Solution

The third proportional to 15,747.75 and 25,363.13 is: 40,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.75 : 25,363.13 = 25,363.13 : x
  2. Step 2: Convert to fraction form
    15,747.75/25,363.13 = 25,363.13/x
  3. Step 3: Cross multiply
    15,747.75x = 25,363.13 × 25,363.13
  4. Step 4: Simplify right side
    15,747.75x = 643,288,109.77
  5. Step 5: Solve for x
    x = 643,288,109.77/15,747.75
  6. Step 6: Final answer
    x = 40,849.53

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.