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Finding the Third Proportional to 1,788 and 2,459

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Solution

The third proportional to 1,788 and 2,459 is: 3,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788 : 2,459 = 2,459 : x
  2. Step 2: Convert to fraction form
    1,788/2,459 = 2,459/x
  3. Step 3: Cross multiply
    1,788x = 2,459 × 2,459
  4. Step 4: Simplify right side
    1,788x = 6,046,681
  5. Step 5: Solve for x
    x = 6,046,681/1,788
  6. Step 6: Final answer
    x = 3,381.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.