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Finding the Third Proportional to 15,489.56 and 24,618.38

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Solution

The third proportional to 15,489.56 and 24,618.38 is: 39,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.56 : 24,618.38 = 24,618.38 : x
  2. Step 2: Convert to fraction form
    15,489.56/24,618.38 = 24,618.38/x
  3. Step 3: Cross multiply
    15,489.56x = 24,618.38 × 24,618.38
  4. Step 4: Simplify right side
    15,489.56x = 606,064,387.64
  5. Step 5: Solve for x
    x = 606,064,387.64/15,489.56
  6. Step 6: Final answer
    x = 39,127.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.