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Finding the Third Proportional to 5,217,684.75 and 7,802,538.75

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Solution

The third proportional to 5,217,684.75 and 7,802,538.75 is: 11,667,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,684.75 : 7,802,538.75 = 7,802,538.75 : x
  2. Step 2: Convert to fraction form
    5,217,684.75/7,802,538.75 = 7,802,538.75/x
  3. Step 3: Cross multiply
    5,217,684.75x = 7,802,538.75 × 7,802,538.75
  4. Step 4: Simplify right side
    5,217,684.75x = 60,879,610,945,251.56
  5. Step 5: Solve for x
    x = 60,879,610,945,251.56/5,217,684.75
  6. Step 6: Final answer
    x = 11,667,935.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.