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Finding the Third Proportional to 122,649 and 179,935.50

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Solution

The third proportional to 122,649 and 179,935.50 is: 263,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,649 : 179,935.50 = 179,935.50 : x
  2. Step 2: Convert to fraction form
    122,649/179,935.50 = 179,935.50/x
  3. Step 3: Cross multiply
    122,649x = 179,935.50 × 179,935.50
  4. Step 4: Simplify right side
    122,649x = 32,376,784,160.25
  5. Step 5: Solve for x
    x = 32,376,784,160.25/122,649
  6. Step 6: Final answer
    x = 263,979.19

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.