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Finding the Third Proportional to 3,173,538 and 6,976,878

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Solution

The third proportional to 3,173,538 and 6,976,878 is: 15,338,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,538 : 6,976,878 = 6,976,878 : x
  2. Step 2: Convert to fraction form
    3,173,538/6,976,878 = 6,976,878/x
  3. Step 3: Cross multiply
    3,173,538x = 6,976,878 × 6,976,878
  4. Step 4: Simplify right side
    3,173,538x = 48,676,826,626,884
  5. Step 5: Solve for x
    x = 48,676,826,626,884/3,173,538
  6. Step 6: Final answer
    x = 15,338,346.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.