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Finding the Third Proportional to 7,635.66 and 11,180.53

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Solution

The third proportional to 7,635.66 and 11,180.53 is: 16,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.66 : 11,180.53 = 11,180.53 : x
  2. Step 2: Convert to fraction form
    7,635.66/11,180.53 = 11,180.53/x
  3. Step 3: Cross multiply
    7,635.66x = 11,180.53 × 11,180.53
  4. Step 4: Simplify right side
    7,635.66x = 125,004,279.03
  5. Step 5: Solve for x
    x = 125,004,279.03/7,635.66
  6. Step 6: Final answer
    x = 16,371.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.