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Finding the Third Proportional to 80,955 and 107,079.75

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Solution

The third proportional to 80,955 and 107,079.75 is: 141,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955 : 107,079.75 = 107,079.75 : x
  2. Step 2: Convert to fraction form
    80,955/107,079.75 = 107,079.75/x
  3. Step 3: Cross multiply
    80,955x = 107,079.75 × 107,079.75
  4. Step 4: Simplify right side
    80,955x = 11,466,072,860.06
  5. Step 5: Solve for x
    x = 11,466,072,860.06/80,955
  6. Step 6: Final answer
    x = 141,635.14

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.