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Finding the Third Proportional to 71,080 and 155,984

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Solution

The third proportional to 71,080 and 155,984 is: 342,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080 : 155,984 = 155,984 : x
  2. Step 2: Convert to fraction form
    71,080/155,984 = 155,984/x
  3. Step 3: Cross multiply
    71,080x = 155,984 × 155,984
  4. Step 4: Simplify right side
    71,080x = 24,331,008,256
  5. Step 5: Solve for x
    x = 24,331,008,256/71,080
  6. Step 6: Final answer
    x = 342,304.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.