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Finding the Third Proportional to 520.75 and 1,132.19

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Solution

The third proportional to 520.75 and 1,132.19 is: 2,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    520.75 : 1,132.19 = 1,132.19 : x
  2. Step 2: Convert to fraction form
    520.75/1,132.19 = 1,132.19/x
  3. Step 3: Cross multiply
    520.75x = 1,132.19 × 1,132.19
  4. Step 4: Simplify right side
    520.75x = 1,281,848.54
  5. Step 5: Solve for x
    x = 1,281,848.54/520.75
  6. Step 6: Final answer
    x = 2,461.54

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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.