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Finding the Third Proportional to 16,639 and 36,044

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Solution

The third proportional to 16,639 and 36,044 is: 78,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639 : 36,044 = 36,044 : x
  2. Step 2: Convert to fraction form
    16,639/36,044 = 36,044/x
  3. Step 3: Cross multiply
    16,639x = 36,044 × 36,044
  4. Step 4: Simplify right side
    16,639x = 1,299,169,936
  5. Step 5: Solve for x
    x = 1,299,169,936/16,639
  6. Step 6: Final answer
    x = 78,079.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.