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Finding the Third Proportional to 8,355.66 and 18,151.59

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Solution

The third proportional to 8,355.66 and 18,151.59 is: 39,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.66 : 18,151.59 = 18,151.59 : x
  2. Step 2: Convert to fraction form
    8,355.66/18,151.59 = 18,151.59/x
  3. Step 3: Cross multiply
    8,355.66x = 18,151.59 × 18,151.59
  4. Step 4: Simplify right side
    8,355.66x = 329,480,355.67
  5. Step 5: Solve for x
    x = 329,480,355.67/8,355.66
  6. Step 6: Final answer
    x = 39,432.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.