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Finding the Third Proportional to 527.25 and 790.75

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Solution

The third proportional to 527.25 and 790.75 is: 1,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.25 : 790.75 = 790.75 : x
  2. Step 2: Convert to fraction form
    527.25/790.75 = 790.75/x
  3. Step 3: Cross multiply
    527.25x = 790.75 × 790.75
  4. Step 4: Simplify right side
    527.25x = 625,285.56
  5. Step 5: Solve for x
    x = 625,285.56/527.25
  6. Step 6: Final answer
    x = 1,185.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.