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Finding the Third Proportional to 4,499,759.88 and 9,717,769.94

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Solution

The third proportional to 4,499,759.88 and 9,717,769.94 is: 20,986,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499,759.88 : 9,717,769.94 = 9,717,769.94 : x
  2. Step 2: Convert to fraction form
    4,499,759.88/9,717,769.94 = 9,717,769.94/x
  3. Step 3: Cross multiply
    4,499,759.88x = 9,717,769.94 × 9,717,769.94
  4. Step 4: Simplify right side
    4,499,759.88x = 94,435,052,558,178.75
  5. Step 5: Solve for x
    x = 94,435,052,558,178.75/4,499,759.88
  6. Step 6: Final answer
    x = 20,986,687.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.