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Finding the Third Proportional to 1,479,444.75 and 3,187,431

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Solution

The third proportional to 1,479,444.75 and 3,187,431 is: 6,867,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,444.75 : 3,187,431 = 3,187,431 : x
  2. Step 2: Convert to fraction form
    1,479,444.75/3,187,431 = 3,187,431/x
  3. Step 3: Cross multiply
    1,479,444.75x = 3,187,431 × 3,187,431
  4. Step 4: Simplify right side
    1,479,444.75x = 10,159,716,379,761
  5. Step 5: Solve for x
    x = 10,159,716,379,761/1,479,444.75
  6. Step 6: Final answer
    x = 6,867,249.61

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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.