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Finding the Third Proportional to 4,151 and 8,797

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Solution

The third proportional to 4,151 and 8,797 is: 18,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151 : 8,797 = 8,797 : x
  2. Step 2: Convert to fraction form
    4,151/8,797 = 8,797/x
  3. Step 3: Cross multiply
    4,151x = 8,797 × 8,797
  4. Step 4: Simplify right side
    4,151x = 77,387,209
  5. Step 5: Solve for x
    x = 77,387,209/4,151
  6. Step 6: Final answer
    x = 18,643.03

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.