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Finding the Third Proportional to 3,140,438 and 4,980,981

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Solution

The third proportional to 3,140,438 and 4,980,981 is: 7,900,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,438 : 4,980,981 = 4,980,981 : x
  2. Step 2: Convert to fraction form
    3,140,438/4,980,981 = 4,980,981/x
  3. Step 3: Cross multiply
    3,140,438x = 4,980,981 × 4,980,981
  4. Step 4: Simplify right side
    3,140,438x = 24,810,171,722,361
  5. Step 5: Solve for x
    x = 24,810,171,722,361/3,140,438
  6. Step 6: Final answer
    x = 7,900,226.57

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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.