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Finding the Third Proportional to 9,013.50 and 13,863

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Solution

The third proportional to 9,013.50 and 13,863 is: 21,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.50 : 13,863 = 13,863 : x
  2. Step 2: Convert to fraction form
    9,013.50/13,863 = 13,863/x
  3. Step 3: Cross multiply
    9,013.50x = 13,863 × 13,863
  4. Step 4: Simplify right side
    9,013.50x = 192,182,769
  5. Step 5: Solve for x
    x = 192,182,769/9,013.50
  6. Step 6: Final answer
    x = 21,321.66

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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.