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Finding the Third Proportional to 8,491 and 11,095.50

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Solution

The third proportional to 8,491 and 11,095.50 is: 14,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491 : 11,095.50 = 11,095.50 : x
  2. Step 2: Convert to fraction form
    8,491/11,095.50 = 11,095.50/x
  3. Step 3: Cross multiply
    8,491x = 11,095.50 × 11,095.50
  4. Step 4: Simplify right side
    8,491x = 123,110,120.25
  5. Step 5: Solve for x
    x = 123,110,120.25/8,491
  6. Step 6: Final answer
    x = 14,498.90

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.