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Finding the Third Proportional to 4,694,671 and 9,893,719

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Solution

The third proportional to 4,694,671 and 9,893,719 is: 20,850,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694,671 : 9,893,719 = 9,893,719 : x
  2. Step 2: Convert to fraction form
    4,694,671/9,893,719 = 9,893,719/x
  3. Step 3: Cross multiply
    4,694,671x = 9,893,719 × 9,893,719
  4. Step 4: Simplify right side
    4,694,671x = 97,885,675,650,961
  5. Step 5: Solve for x
    x = 97,885,675,650,961/4,694,671
  6. Step 6: Final answer
    x = 20,850,380.28

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.