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Finding the Third Proportional to 519,603 and 1,116,561

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Solution

The third proportional to 519,603 and 1,116,561 is: 2,399,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,603 : 1,116,561 = 1,116,561 : x
  2. Step 2: Convert to fraction form
    519,603/1,116,561 = 1,116,561/x
  3. Step 3: Cross multiply
    519,603x = 1,116,561 × 1,116,561
  4. Step 4: Simplify right side
    519,603x = 1,246,708,466,721
  5. Step 5: Solve for x
    x = 1,246,708,466,721/519,603
  6. Step 6: Final answer
    x = 2,399,348.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.