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Finding the Third Proportional to 16,818 and 36,924

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Solution

The third proportional to 16,818 and 36,924 is: 81,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818 : 36,924 = 36,924 : x
  2. Step 2: Convert to fraction form
    16,818/36,924 = 36,924/x
  3. Step 3: Cross multiply
    16,818x = 36,924 × 36,924
  4. Step 4: Simplify right side
    16,818x = 1,363,381,776
  5. Step 5: Solve for x
    x = 1,363,381,776/16,818
  6. Step 6: Final answer
    x = 81,066.82

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.