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Finding the Third Proportional to 122,133.38 and 269,115.75

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Solution

The third proportional to 122,133.38 and 269,115.75 is: 592,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,133.38 : 269,115.75 = 269,115.75 : x
  2. Step 2: Convert to fraction form
    122,133.38/269,115.75 = 269,115.75/x
  3. Step 3: Cross multiply
    122,133.38x = 269,115.75 × 269,115.75
  4. Step 4: Simplify right side
    122,133.38x = 72,423,286,898.06
  5. Step 5: Solve for x
    x = 72,423,286,898.06/122,133.38
  6. Step 6: Final answer
    x = 592,985.23

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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.