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Finding the Third Proportional to 1,788 and 2,727

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Solution

The third proportional to 1,788 and 2,727 is: 4,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788 : 2,727 = 2,727 : x
  2. Step 2: Convert to fraction form
    1,788/2,727 = 2,727/x
  3. Step 3: Cross multiply
    1,788x = 2,727 × 2,727
  4. Step 4: Simplify right side
    1,788x = 7,436,529
  5. Step 5: Solve for x
    x = 7,436,529/1,788
  6. Step 6: Final answer
    x = 4,159.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.