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Finding the Third Proportional to 16,884 and 26,210

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Solution

The third proportional to 16,884 and 26,210 is: 40,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884 : 26,210 = 26,210 : x
  2. Step 2: Convert to fraction form
    16,884/26,210 = 26,210/x
  3. Step 3: Cross multiply
    16,884x = 26,210 × 26,210
  4. Step 4: Simplify right side
    16,884x = 686,964,100
  5. Step 5: Solve for x
    x = 686,964,100/16,884
  6. Step 6: Final answer
    x = 40,687.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.