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Finding the Third Proportional to 26,677 and 38,919

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Solution

The third proportional to 26,677 and 38,919 is: 56,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677 : 38,919 = 38,919 : x
  2. Step 2: Convert to fraction form
    26,677/38,919 = 38,919/x
  3. Step 3: Cross multiply
    26,677x = 38,919 × 38,919
  4. Step 4: Simplify right side
    26,677x = 1,514,688,561
  5. Step 5: Solve for x
    x = 1,514,688,561/26,677
  6. Step 6: Final answer
    x = 56,778.82

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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.