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Finding the Third Proportional to 38,884 and 85,157

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Solution

The third proportional to 38,884 and 85,157 is: 186,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,884 : 85,157 = 85,157 : x
  2. Step 2: Convert to fraction form
    38,884/85,157 = 85,157/x
  3. Step 3: Cross multiply
    38,884x = 85,157 × 85,157
  4. Step 4: Simplify right side
    38,884x = 7,251,714,649
  5. Step 5: Solve for x
    x = 7,251,714,649/38,884
  6. Step 6: Final answer
    x = 186,496.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.