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Finding the Third Proportional to 8,481 and 11,272.50

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Solution

The third proportional to 8,481 and 11,272.50 is: 14,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481 : 11,272.50 = 11,272.50 : x
  2. Step 2: Convert to fraction form
    8,481/11,272.50 = 11,272.50/x
  3. Step 3: Cross multiply
    8,481x = 11,272.50 × 11,272.50
  4. Step 4: Simplify right side
    8,481x = 127,069,256.25
  5. Step 5: Solve for x
    x = 127,069,256.25/8,481
  6. Step 6: Final answer
    x = 14,982.82

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.