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Finding the Third Proportional to 16,500 and 25,342.50

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Solution

The third proportional to 16,500 and 25,342.50 is: 38,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500 : 25,342.50 = 25,342.50 : x
  2. Step 2: Convert to fraction form
    16,500/25,342.50 = 25,342.50/x
  3. Step 3: Cross multiply
    16,500x = 25,342.50 × 25,342.50
  4. Step 4: Simplify right side
    16,500x = 642,242,306.25
  5. Step 5: Solve for x
    x = 642,242,306.25/16,500
  6. Step 6: Final answer
    x = 38,923.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.