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Finding the Third Proportional to 71,486.30 and 155,422.55

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Solution

The third proportional to 71,486.30 and 155,422.55 is: 337,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,486.30 : 155,422.55 = 155,422.55 : x
  2. Step 2: Convert to fraction form
    71,486.30/155,422.55 = 155,422.55/x
  3. Step 3: Cross multiply
    71,486.30x = 155,422.55 × 155,422.55
  4. Step 4: Simplify right side
    71,486.30x = 24,156,168,077.11
  5. Step 5: Solve for x
    x = 24,156,168,077.11/71,486.30
  6. Step 6: Final answer
    x = 337,913.27

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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.