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Finding the Third Proportional to 1,339,521.36 and 2,012,299.61

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Solution

The third proportional to 1,339,521.36 and 2,012,299.61 is: 3,022,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,521.36 : 2,012,299.61 = 2,012,299.61 : x
  2. Step 2: Convert to fraction form
    1,339,521.36/2,012,299.61 = 2,012,299.61/x
  3. Step 3: Cross multiply
    1,339,521.36x = 2,012,299.61 × 2,012,299.61
  4. Step 4: Simplify right side
    1,339,521.36x = 4,049,349,725,751.22
  5. Step 5: Solve for x
    x = 4,049,349,725,751.22/1,339,521.36
  6. Step 6: Final answer
    x = 3,022,982.56

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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.