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Finding the Third Proportional to 1,151.25 and 2,486.44

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Solution

The third proportional to 1,151.25 and 2,486.44 is: 5,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.25 : 2,486.44 = 2,486.44 : x
  2. Step 2: Convert to fraction form
    1,151.25/2,486.44 = 2,486.44/x
  3. Step 3: Cross multiply
    1,151.25x = 2,486.44 × 2,486.44
  4. Step 4: Simplify right side
    1,151.25x = 6,182,371.44
  5. Step 5: Solve for x
    x = 6,182,371.44/1,151.25
  6. Step 6: Final answer
    x = 5,370.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.