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Finding the Third Proportional to 131,629.50 and 284,272.88

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Solution

The third proportional to 131,629.50 and 284,272.88 is: 613,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,629.50 : 284,272.88 = 284,272.88 : x
  2. Step 2: Convert to fraction form
    131,629.50/284,272.88 = 284,272.88/x
  3. Step 3: Cross multiply
    131,629.50x = 284,272.88 × 284,272.88
  4. Step 4: Simplify right side
    131,629.50x = 80,811,067,460.77
  5. Step 5: Solve for x
    x = 80,811,067,460.77/131,629.50
  6. Step 6: Final answer
    x = 613,928.24

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.