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Finding the Third Proportional to 16,698 and 36,489

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Solution

The third proportional to 16,698 and 36,489 is: 79,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698 : 36,489 = 36,489 : x
  2. Step 2: Convert to fraction form
    16,698/36,489 = 36,489/x
  3. Step 3: Cross multiply
    16,698x = 36,489 × 36,489
  4. Step 4: Simplify right side
    16,698x = 1,331,447,121
  5. Step 5: Solve for x
    x = 1,331,447,121/16,698
  6. Step 6: Final answer
    x = 79,736.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.