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Finding the Third Proportional to 986,544 and 2,122,812

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Solution

The third proportional to 986,544 and 2,122,812 is: 4,567,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,544 : 2,122,812 = 2,122,812 : x
  2. Step 2: Convert to fraction form
    986,544/2,122,812 = 2,122,812/x
  3. Step 3: Cross multiply
    986,544x = 2,122,812 × 2,122,812
  4. Step 4: Simplify right side
    986,544x = 4,506,330,787,344
  5. Step 5: Solve for x
    x = 4,506,330,787,344/986,544
  6. Step 6: Final answer
    x = 4,567,795.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.