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Finding the Third Proportional to 8,767.50 and 13,242

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Solution

The third proportional to 8,767.50 and 13,242 is: 20,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.50 : 13,242 = 13,242 : x
  2. Step 2: Convert to fraction form
    8,767.50/13,242 = 13,242/x
  3. Step 3: Cross multiply
    8,767.50x = 13,242 × 13,242
  4. Step 4: Simplify right side
    8,767.50x = 175,350,564
  5. Step 5: Solve for x
    x = 175,350,564/8,767.50
  6. Step 6: Final answer
    x = 20,000.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.