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Finding the Third Proportional to 527.13 and 874.55

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Solution

The third proportional to 527.13 and 874.55 is: 1,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.13 : 874.55 = 874.55 : x
  2. Step 2: Convert to fraction form
    527.13/874.55 = 874.55/x
  3. Step 3: Cross multiply
    527.13x = 874.55 × 874.55
  4. Step 4: Simplify right side
    527.13x = 764,832.24
  5. Step 5: Solve for x
    x = 764,832.24/527.13
  6. Step 6: Final answer
    x = 1,450.93

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.