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Finding the Third Proportional to 1,689,633 and 3,498,972.75

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Solution

The third proportional to 1,689,633 and 3,498,972.75 is: 7,245,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,633 : 3,498,972.75 = 3,498,972.75 : x
  2. Step 2: Convert to fraction form
    1,689,633/3,498,972.75 = 3,498,972.75/x
  3. Step 3: Cross multiply
    1,689,633x = 3,498,972.75 × 3,498,972.75
  4. Step 4: Simplify right side
    1,689,633x = 12,242,810,305,242.56
  5. Step 5: Solve for x
    x = 12,242,810,305,242.56/1,689,633
  6. Step 6: Final answer
    x = 7,245,839.96

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.