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Finding the Third Proportional to 61,965 and 134,439.75

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Solution

The third proportional to 61,965 and 134,439.75 is: 291,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,965 : 134,439.75 = 134,439.75 : x
  2. Step 2: Convert to fraction form
    61,965/134,439.75 = 134,439.75/x
  3. Step 3: Cross multiply
    61,965x = 134,439.75 × 134,439.75
  4. Step 4: Simplify right side
    61,965x = 18,074,046,380.06
  5. Step 5: Solve for x
    x = 18,074,046,380.06/61,965
  6. Step 6: Final answer
    x = 291,681.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.