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Finding the Third Proportional to 527.25 and 699.75

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Solution

The third proportional to 527.25 and 699.75 is: 928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.25 : 699.75 = 699.75 : x
  2. Step 2: Convert to fraction form
    527.25/699.75 = 699.75/x
  3. Step 3: Cross multiply
    527.25x = 699.75 × 699.75
  4. Step 4: Simplify right side
    527.25x = 489,650.06
  5. Step 5: Solve for x
    x = 489,650.06/527.25
  6. Step 6: Final answer
    x = 928.69

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.