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Finding the Third Proportional to 4,448,120.06 and 9,711,991.13

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Solution

The third proportional to 4,448,120.06 and 9,711,991.13 is: 21,205,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448,120.06 : 9,711,991.13 = 9,711,991.13 : x
  2. Step 2: Convert to fraction form
    4,448,120.06/9,711,991.13 = 9,711,991.13/x
  3. Step 3: Cross multiply
    4,448,120.06x = 9,711,991.13 × 9,711,991.13
  4. Step 4: Simplify right side
    4,448,120.06x = 94,322,771,612,078.77
  5. Step 5: Solve for x
    x = 94,322,771,612,078.77/4,448,120.06
  6. Step 6: Final answer
    x = 21,205,086.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.