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Finding the Third Proportional to 131,703.38 and 279,079.88

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Solution

The third proportional to 131,703.38 and 279,079.88 is: 591,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.38 : 279,079.88 = 279,079.88 : x
  2. Step 2: Convert to fraction form
    131,703.38/279,079.88 = 279,079.88/x
  3. Step 3: Cross multiply
    131,703.38x = 279,079.88 × 279,079.88
  4. Step 4: Simplify right side
    131,703.38x = 77,885,576,630.02
  5. Step 5: Solve for x
    x = 77,885,576,630.02/131,703.38
  6. Step 6: Final answer
    x = 591,371.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.