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Finding the Third Proportional to 85,258 and 126,225

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Solution

The third proportional to 85,258 and 126,225 is: 186,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,258 : 126,225 = 126,225 : x
  2. Step 2: Convert to fraction form
    85,258/126,225 = 126,225/x
  3. Step 3: Cross multiply
    85,258x = 126,225 × 126,225
  4. Step 4: Simplify right side
    85,258x = 15,932,750,625
  5. Step 5: Solve for x
    x = 15,932,750,625/85,258
  6. Step 6: Final answer
    x = 186,876.90

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.