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Finding the Third Proportional to 61,679 and 132,115

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Solution

The third proportional to 61,679 and 132,115 is: 282,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,679 : 132,115 = 132,115 : x
  2. Step 2: Convert to fraction form
    61,679/132,115 = 132,115/x
  3. Step 3: Cross multiply
    61,679x = 132,115 × 132,115
  4. Step 4: Simplify right side
    61,679x = 17,454,373,225
  5. Step 5: Solve for x
    x = 17,454,373,225/61,679
  6. Step 6: Final answer
    x = 282,987.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.