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Finding the Third Proportional to 360,028 and 787,876

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Solution

The third proportional to 360,028 and 787,876 is: 1,724,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,028 : 787,876 = 787,876 : x
  2. Step 2: Convert to fraction form
    360,028/787,876 = 787,876/x
  3. Step 3: Cross multiply
    360,028x = 787,876 × 787,876
  4. Step 4: Simplify right side
    360,028x = 620,748,591,376
  5. Step 5: Solve for x
    x = 620,748,591,376/360,028
  6. Step 6: Final answer
    x = 1,724,167.54

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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.