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Finding the Third Proportional to 5,315,149.13 and 8,245,734.19

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Solution

The third proportional to 5,315,149.13 and 8,245,734.19 is: 12,792,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,149.13 : 8,245,734.19 = 8,245,734.19 : x
  2. Step 2: Convert to fraction form
    5,315,149.13/8,245,734.19 = 8,245,734.19/x
  3. Step 3: Cross multiply
    5,315,149.13x = 8,245,734.19 × 8,245,734.19
  4. Step 4: Simplify right side
    5,315,149.13x = 67,992,132,290,906.28
  5. Step 5: Solve for x
    x = 67,992,132,290,906.28/5,315,149.13
  6. Step 6: Final answer
    x = 12,792,140.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.