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Finding the Third Proportional to 38,266 and 55,878

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Solution

The third proportional to 38,266 and 55,878 is: 81,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266 : 55,878 = 55,878 : x
  2. Step 2: Convert to fraction form
    38,266/55,878 = 55,878/x
  3. Step 3: Cross multiply
    38,266x = 55,878 × 55,878
  4. Step 4: Simplify right side
    38,266x = 3,122,350,884
  5. Step 5: Solve for x
    x = 3,122,350,884/38,266
  6. Step 6: Final answer
    x = 81,595.96

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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.