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Finding the Third Proportional to 408,100 and 573,678

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Solution

The third proportional to 408,100 and 573,678 is: 806,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,100 : 573,678 = 573,678 : x
  2. Step 2: Convert to fraction form
    408,100/573,678 = 573,678/x
  3. Step 3: Cross multiply
    408,100x = 573,678 × 573,678
  4. Step 4: Simplify right side
    408,100x = 329,106,447,684
  5. Step 5: Solve for x
    x = 329,106,447,684/408,100
  6. Step 6: Final answer
    x = 806,435.79

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.