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Finding the Third Proportional to 518,616 and 1,125,756

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Solution

The third proportional to 518,616 and 1,125,756 is: 2,443,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,616 : 1,125,756 = 1,125,756 : x
  2. Step 2: Convert to fraction form
    518,616/1,125,756 = 1,125,756/x
  3. Step 3: Cross multiply
    518,616x = 1,125,756 × 1,125,756
  4. Step 4: Simplify right side
    518,616x = 1,267,326,571,536
  5. Step 5: Solve for x
    x = 1,267,326,571,536/518,616
  6. Step 6: Final answer
    x = 2,443,670.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.