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Finding the Third Proportional to 4,259,812 and 9,169,166

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Solution

The third proportional to 4,259,812 and 9,169,166 is: 19,736,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259,812 : 9,169,166 = 9,169,166 : x
  2. Step 2: Convert to fraction form
    4,259,812/9,169,166 = 9,169,166/x
  3. Step 3: Cross multiply
    4,259,812x = 9,169,166 × 9,169,166
  4. Step 4: Simplify right side
    4,259,812x = 84,073,605,135,556
  5. Step 5: Solve for x
    x = 84,073,605,135,556/4,259,812
  6. Step 6: Final answer
    x = 19,736,459.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.