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Finding the Third Proportional to 3,220,448 and 6,891,872

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Solution

The third proportional to 3,220,448 and 6,891,872 is: 14,748,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,448 : 6,891,872 = 6,891,872 : x
  2. Step 2: Convert to fraction form
    3,220,448/6,891,872 = 6,891,872/x
  3. Step 3: Cross multiply
    3,220,448x = 6,891,872 × 6,891,872
  4. Step 4: Simplify right side
    3,220,448x = 47,497,899,664,384
  5. Step 5: Solve for x
    x = 47,497,899,664,384/3,220,448
  6. Step 6: Final answer
    x = 14,748,848.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.