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Finding the Third Proportional to 4,259,744.75 and 9,169,028.75

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Solution

The third proportional to 4,259,744.75 and 9,169,028.75 is: 19,736,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259,744.75 : 9,169,028.75 = 9,169,028.75 : x
  2. Step 2: Convert to fraction form
    4,259,744.75/9,169,028.75 = 9,169,028.75/x
  3. Step 3: Cross multiply
    4,259,744.75x = 9,169,028.75 × 9,169,028.75
  4. Step 4: Simplify right side
    4,259,744.75x = 84,071,088,218,326.56
  5. Step 5: Solve for x
    x = 84,071,088,218,326.56/4,259,744.75
  6. Step 6: Final answer
    x = 19,736,179.78

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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.