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Finding the Third Proportional to 5,321,314.13 and 8,221,344.75

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Solution

The third proportional to 5,321,314.13 and 8,221,344.75 is: 12,701,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,314.13 : 8,221,344.75 = 8,221,344.75 : x
  2. Step 2: Convert to fraction form
    5,321,314.13/8,221,344.75 = 8,221,344.75/x
  3. Step 3: Cross multiply
    5,321,314.13x = 8,221,344.75 × 8,221,344.75
  4. Step 4: Simplify right side
    5,321,314.13x = 67,590,509,498,352.56
  5. Step 5: Solve for x
    x = 67,590,509,498,352.56/5,321,314.13
  6. Step 6: Final answer
    x = 12,701,845.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.