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Finding the Third Proportional to 1,479,448.41 and 3,187,438.31

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Solution

The third proportional to 1,479,448.41 and 3,187,438.31 is: 6,867,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,448.41 : 3,187,438.31 = 3,187,438.31 : x
  2. Step 2: Convert to fraction form
    1,479,448.41/3,187,438.31 = 3,187,438.31/x
  3. Step 3: Cross multiply
    1,479,448.41x = 3,187,438.31 × 3,187,438.31
  4. Step 4: Simplify right side
    1,479,448.41x = 10,159,762,995,992.85
  5. Step 5: Solve for x
    x = 10,159,762,995,992.85/1,479,448.41
  6. Step 6: Final answer
    x = 6,867,264.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.