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Finding the Third Proportional to 3,639,332.25 and 7,789,889.25

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Solution

The third proportional to 3,639,332.25 and 7,789,889.25 is: 16,674,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,332.25 : 7,789,889.25 = 7,789,889.25 : x
  2. Step 2: Convert to fraction form
    3,639,332.25/7,789,889.25 = 7,789,889.25/x
  3. Step 3: Cross multiply
    3,639,332.25x = 7,789,889.25 × 7,789,889.25
  4. Step 4: Simplify right side
    3,639,332.25x = 60,682,374,527,265.56
  5. Step 5: Solve for x
    x = 60,682,374,527,265.56/3,639,332.25
  6. Step 6: Final answer
    x = 16,674,040.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.