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Finding the Third Proportional to 61,944 and 131,880

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Solution

The third proportional to 61,944 and 131,880 is: 280,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,944 : 131,880 = 131,880 : x
  2. Step 2: Convert to fraction form
    61,944/131,880 = 131,880/x
  3. Step 3: Cross multiply
    61,944x = 131,880 × 131,880
  4. Step 4: Simplify right side
    61,944x = 17,392,334,400
  5. Step 5: Solve for x
    x = 17,392,334,400/61,944
  6. Step 6: Final answer
    x = 280,775.13

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.