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Finding the Third Proportional to 7,873,422.75 and 11,259,013.50

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Solution

The third proportional to 7,873,422.75 and 11,259,013.50 is: 16,100,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,422.75 : 11,259,013.50 = 11,259,013.50 : x
  2. Step 2: Convert to fraction form
    7,873,422.75/11,259,013.50 = 11,259,013.50/x
  3. Step 3: Cross multiply
    7,873,422.75x = 11,259,013.50 × 11,259,013.50
  4. Step 4: Simplify right side
    7,873,422.75x = 126,765,384,993,182.25
  5. Step 5: Solve for x
    x = 126,765,384,993,182.25/7,873,422.75
  6. Step 6: Final answer
    x = 16,100,416.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.