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Finding the Third Proportional to 8,565 and 11,371.50

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Solution

The third proportional to 8,565 and 11,371.50 is: 15,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565 : 11,371.50 = 11,371.50 : x
  2. Step 2: Convert to fraction form
    8,565/11,371.50 = 11,371.50/x
  3. Step 3: Cross multiply
    8,565x = 11,371.50 × 11,371.50
  4. Step 4: Simplify right side
    8,565x = 129,311,012.25
  5. Step 5: Solve for x
    x = 129,311,012.25/8,565
  6. Step 6: Final answer
    x = 15,097.61

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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.