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Finding the Third Proportional to 1,181 and 1,651

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Solution

The third proportional to 1,181 and 1,651 is: 2,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181 : 1,651 = 1,651 : x
  2. Step 2: Convert to fraction form
    1,181/1,651 = 1,651/x
  3. Step 3: Cross multiply
    1,181x = 1,651 × 1,651
  4. Step 4: Simplify right side
    1,181x = 2,725,801
  5. Step 5: Solve for x
    x = 2,725,801/1,181
  6. Step 6: Final answer
    x = 2,308.04

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.