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Finding the Third Proportional to 515,230 and 1,128,876

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Solution

The third proportional to 515,230 and 1,128,876 is: 2,473,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,230 : 1,128,876 = 1,128,876 : x
  2. Step 2: Convert to fraction form
    515,230/1,128,876 = 1,128,876/x
  3. Step 3: Cross multiply
    515,230x = 1,128,876 × 1,128,876
  4. Step 4: Simplify right side
    515,230x = 1,274,361,023,376
  5. Step 5: Solve for x
    x = 1,274,361,023,376/515,230
  6. Step 6: Final answer
    x = 2,473,382.81

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