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Finding the Third Proportional to 3,315,816 and 5,272,661.25

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Solution

The third proportional to 3,315,816 and 5,272,661.25 is: 8,384,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,816 : 5,272,661.25 = 5,272,661.25 : x
  2. Step 2: Convert to fraction form
    3,315,816/5,272,661.25 = 5,272,661.25/x
  3. Step 3: Cross multiply
    3,315,816x = 5,272,661.25 × 5,272,661.25
  4. Step 4: Simplify right side
    3,315,816x = 27,800,956,657,251.56
  5. Step 5: Solve for x
    x = 27,800,956,657,251.56/3,315,816
  6. Step 6: Final answer
    x = 8,384,348.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.