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Finding the Third Proportional to 8,259.19 and 18,151.88

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Solution

The third proportional to 8,259.19 and 18,151.88 is: 39,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.19 : 18,151.88 = 18,151.88 : x
  2. Step 2: Convert to fraction form
    8,259.19/18,151.88 = 18,151.88/x
  3. Step 3: Cross multiply
    8,259.19x = 18,151.88 × 18,151.88
  4. Step 4: Simplify right side
    8,259.19x = 329,490,566.02
  5. Step 5: Solve for x
    x = 329,490,566.02/8,259.19
  6. Step 6: Final answer
    x = 39,893.82

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.