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Finding the Third Proportional to 17,184 and 36,924

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Solution

The third proportional to 17,184 and 36,924 is: 79,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184 : 36,924 = 36,924 : x
  2. Step 2: Convert to fraction form
    17,184/36,924 = 36,924/x
  3. Step 3: Cross multiply
    17,184x = 36,924 × 36,924
  4. Step 4: Simplify right side
    17,184x = 1,363,381,776
  5. Step 5: Solve for x
    x = 1,363,381,776/17,184
  6. Step 6: Final answer
    x = 79,340.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.