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Finding the Third Proportional to 170,876 and 373,921

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Solution

The third proportional to 170,876 and 373,921 is: 818,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,876 : 373,921 = 373,921 : x
  2. Step 2: Convert to fraction form
    170,876/373,921 = 373,921/x
  3. Step 3: Cross multiply
    170,876x = 373,921 × 373,921
  4. Step 4: Simplify right side
    170,876x = 139,816,914,241
  5. Step 5: Solve for x
    x = 139,816,914,241/170,876
  6. Step 6: Final answer
    x = 818,236.11

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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.