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Finding the Third Proportional to 3,221,451 and 4,515,426

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Solution

The third proportional to 3,221,451 and 4,515,426 is: 6,329,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,451 : 4,515,426 = 4,515,426 : x
  2. Step 2: Convert to fraction form
    3,221,451/4,515,426 = 4,515,426/x
  3. Step 3: Cross multiply
    3,221,451x = 4,515,426 × 4,515,426
  4. Step 4: Simplify right side
    3,221,451x = 20,389,071,961,476
  5. Step 5: Solve for x
    x = 20,389,071,961,476/3,221,451
  6. Step 6: Final answer
    x = 6,329,157.87

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.