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Finding the Third Proportional to 8,276.06 and 12,491.44

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Solution

The third proportional to 8,276.06 and 12,491.44 is: 18,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.06 : 12,491.44 = 12,491.44 : x
  2. Step 2: Convert to fraction form
    8,276.06/12,491.44 = 12,491.44/x
  3. Step 3: Cross multiply
    8,276.06x = 12,491.44 × 12,491.44
  4. Step 4: Simplify right side
    8,276.06x = 156,036,010.82
  5. Step 5: Solve for x
    x = 156,036,010.82/8,276.06
  6. Step 6: Final answer
    x = 18,853.89

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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.