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Finding the Third Proportional to 15,617.75 and 24,979.25

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Solution

The third proportional to 15,617.75 and 24,979.25 is: 39,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.75 : 24,979.25 = 24,979.25 : x
  2. Step 2: Convert to fraction form
    15,617.75/24,979.25 = 24,979.25/x
  3. Step 3: Cross multiply
    15,617.75x = 24,979.25 × 24,979.25
  4. Step 4: Simplify right side
    15,617.75x = 623,962,930.56
  5. Step 5: Solve for x
    x = 623,962,930.56/15,617.75
  6. Step 6: Final answer
    x = 39,952.17

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.