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Finding the Third Proportional to 5,986,491 and 10,643,286

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Solution

The third proportional to 5,986,491 and 10,643,286 is: 18,922,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,491 : 10,643,286 = 10,643,286 : x
  2. Step 2: Convert to fraction form
    5,986,491/10,643,286 = 10,643,286/x
  3. Step 3: Cross multiply
    5,986,491x = 10,643,286 × 10,643,286
  4. Step 4: Simplify right side
    5,986,491x = 113,279,536,877,796
  5. Step 5: Solve for x
    x = 113,279,536,877,796/5,986,491
  6. Step 6: Final answer
    x = 18,922,526.88

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.