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Finding the Third Proportional to 15,615.75 and 24,976.13

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Solution

The third proportional to 15,615.75 and 24,976.13 is: 39,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.75 : 24,976.13 = 24,976.13 : x
  2. Step 2: Convert to fraction form
    15,615.75/24,976.13 = 24,976.13/x
  3. Step 3: Cross multiply
    15,615.75x = 24,976.13 × 24,976.13
  4. Step 4: Simplify right side
    15,615.75x = 623,806,820.02
  5. Step 5: Solve for x
    x = 623,806,820.02/15,615.75
  6. Step 6: Final answer
    x = 39,947.29

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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.