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Finding the Third Proportional to 708,879 and 1,555,548

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Solution

The third proportional to 708,879 and 1,555,548 is: 3,413,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,879 : 1,555,548 = 1,555,548 : x
  2. Step 2: Convert to fraction form
    708,879/1,555,548 = 1,555,548/x
  3. Step 3: Cross multiply
    708,879x = 1,555,548 × 1,555,548
  4. Step 4: Simplify right side
    708,879x = 2,419,729,580,304
  5. Step 5: Solve for x
    x = 2,419,729,580,304/708,879
  6. Step 6: Final answer
    x = 3,413,459.25

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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.