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Finding the Third Proportional to 3,993,482 and 8,615,180

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Solution

The third proportional to 3,993,482 and 8,615,180 is: 18,585,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,482 : 8,615,180 = 8,615,180 : x
  2. Step 2: Convert to fraction form
    3,993,482/8,615,180 = 8,615,180/x
  3. Step 3: Cross multiply
    3,993,482x = 8,615,180 × 8,615,180
  4. Step 4: Simplify right side
    3,993,482x = 74,221,326,432,400
  5. Step 5: Solve for x
    x = 74,221,326,432,400/3,993,482
  6. Step 6: Final answer
    x = 18,585,616.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.