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Finding the Third Proportional to 69,882 and 155,244

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Solution

The third proportional to 69,882 and 155,244 is: 344,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882 : 155,244 = 155,244 : x
  2. Step 2: Convert to fraction form
    69,882/155,244 = 155,244/x
  3. Step 3: Cross multiply
    69,882x = 155,244 × 155,244
  4. Step 4: Simplify right side
    69,882x = 24,100,699,536
  5. Step 5: Solve for x
    x = 24,100,699,536/69,882
  6. Step 6: Final answer
    x = 344,877.07

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.