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Finding the Third Proportional to 3,923,318.53 and 8,313,355.69

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Solution

The third proportional to 3,923,318.53 and 8,313,355.69 is: 17,615,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923,318.53 : 8,313,355.69 = 8,313,355.69 : x
  2. Step 2: Convert to fraction form
    3,923,318.53/8,313,355.69 = 8,313,355.69/x
  3. Step 3: Cross multiply
    3,923,318.53x = 8,313,355.69 × 8,313,355.69
  4. Step 4: Simplify right side
    3,923,318.53x = 69,111,882,786,888.59
  5. Step 5: Solve for x
    x = 69,111,882,786,888.59/3,923,318.53
  6. Step 6: Final answer
    x = 17,615,669.55

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.