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Finding the Third Proportional to 552,518 and 779,876

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Solution

The third proportional to 552,518 and 779,876 is: 1,100,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,518 : 779,876 = 779,876 : x
  2. Step 2: Convert to fraction form
    552,518/779,876 = 779,876/x
  3. Step 3: Cross multiply
    552,518x = 779,876 × 779,876
  4. Step 4: Simplify right side
    552,518x = 608,206,575,376
  5. Step 5: Solve for x
    x = 608,206,575,376/552,518
  6. Step 6: Final answer
    x = 1,100,790.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.