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Finding the Third Proportional to 8,124.75 and 17,638.13

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Solution

The third proportional to 8,124.75 and 17,638.13 is: 38,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.75 : 17,638.13 = 17,638.13 : x
  2. Step 2: Convert to fraction form
    8,124.75/17,638.13 = 17,638.13/x
  3. Step 3: Cross multiply
    8,124.75x = 17,638.13 × 17,638.13
  4. Step 4: Simplify right side
    8,124.75x = 311,103,453.52
  5. Step 5: Solve for x
    x = 311,103,453.52/8,124.75
  6. Step 6: Final answer
    x = 38,290.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.