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Finding the Third Proportional to 527.06 and 617.06

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Solution

The third proportional to 527.06 and 617.06 is: 722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.06 : 617.06 = 617.06 : x
  2. Step 2: Convert to fraction form
    527.06/617.06 = 617.06/x
  3. Step 3: Cross multiply
    527.06x = 617.06 × 617.06
  4. Step 4: Simplify right side
    527.06x = 380,766.13
  5. Step 5: Solve for x
    x = 380,766.13/527.06
  6. Step 6: Final answer
    x = 722.43

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.