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Finding the Third Proportional to 1,982,718 and 3,151,235

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Solution

The third proportional to 1,982,718 and 3,151,235 is: 5,008,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,718 : 3,151,235 = 3,151,235 : x
  2. Step 2: Convert to fraction form
    1,982,718/3,151,235 = 3,151,235/x
  3. Step 3: Cross multiply
    1,982,718x = 3,151,235 × 3,151,235
  4. Step 4: Simplify right side
    1,982,718x = 9,930,282,025,225
  5. Step 5: Solve for x
    x = 9,930,282,025,225/1,982,718
  6. Step 6: Final answer
    x = 5,008,418.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.