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Finding the Third Proportional to 668,554 and 1,469,396

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Solution

The third proportional to 668,554 and 1,469,396 is: 3,229,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,554 : 1,469,396 = 1,469,396 : x
  2. Step 2: Convert to fraction form
    668,554/1,469,396 = 1,469,396/x
  3. Step 3: Cross multiply
    668,554x = 1,469,396 × 1,469,396
  4. Step 4: Simplify right side
    668,554x = 2,159,124,604,816
  5. Step 5: Solve for x
    x = 2,159,124,604,816/668,554
  6. Step 6: Final answer
    x = 3,229,544.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.