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Finding the Third Proportional to 2,499 and 3,555

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Solution

The third proportional to 2,499 and 3,555 is: 5,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499 : 3,555 = 3,555 : x
  2. Step 2: Convert to fraction form
    2,499/3,555 = 3,555/x
  3. Step 3: Cross multiply
    2,499x = 3,555 × 3,555
  4. Step 4: Simplify right side
    2,499x = 12,638,025
  5. Step 5: Solve for x
    x = 12,638,025/2,499
  6. Step 6: Final answer
    x = 5,057.23

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.