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Finding the Third Proportional to 9,859.50 and 15,684.75

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Solution

The third proportional to 9,859.50 and 15,684.75 is: 24,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.50 : 15,684.75 = 15,684.75 : x
  2. Step 2: Convert to fraction form
    9,859.50/15,684.75 = 15,684.75/x
  3. Step 3: Cross multiply
    9,859.50x = 15,684.75 × 15,684.75
  4. Step 4: Simplify right side
    9,859.50x = 246,011,382.56
  5. Step 5: Solve for x
    x = 246,011,382.56/9,859.50
  6. Step 6: Final answer
    x = 24,951.71

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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.