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Finding the Third Proportional to 15,951.94 and 20,252.53

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Solution

The third proportional to 15,951.94 and 20,252.53 is: 25,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.94 : 20,252.53 = 20,252.53 : x
  2. Step 2: Convert to fraction form
    15,951.94/20,252.53 = 20,252.53/x
  3. Step 3: Cross multiply
    15,951.94x = 20,252.53 × 20,252.53
  4. Step 4: Simplify right side
    15,951.94x = 410,165,022.03
  5. Step 5: Solve for x
    x = 410,165,022.03/15,951.94
  6. Step 6: Final answer
    x = 25,712.55

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.