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Finding the Third Proportional to 18,221 and 26,677

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Solution

The third proportional to 18,221 and 26,677 is: 39,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221 : 26,677 = 26,677 : x
  2. Step 2: Convert to fraction form
    18,221/26,677 = 26,677/x
  3. Step 3: Cross multiply
    18,221x = 26,677 × 26,677
  4. Step 4: Simplify right side
    18,221x = 711,662,329
  5. Step 5: Solve for x
    x = 711,662,329/18,221
  6. Step 6: Final answer
    x = 39,057.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.