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Finding the Third Proportional to 1,125.42 and 2,454.05

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Solution

The third proportional to 1,125.42 and 2,454.05 is: 5,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.42 : 2,454.05 = 2,454.05 : x
  2. Step 2: Convert to fraction form
    1,125.42/2,454.05 = 2,454.05/x
  3. Step 3: Cross multiply
    1,125.42x = 2,454.05 × 2,454.05
  4. Step 4: Simplify right side
    1,125.42x = 6,022,346.06
  5. Step 5: Solve for x
    x = 6,022,346.06/1,125.42
  6. Step 6: Final answer
    x = 5,351.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.