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Finding the Third Proportional to 305,793 and 662,616

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Solution

The third proportional to 305,793 and 662,616 is: 1,435,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,793 : 662,616 = 662,616 : x
  2. Step 2: Convert to fraction form
    305,793/662,616 = 662,616/x
  3. Step 3: Cross multiply
    305,793x = 662,616 × 662,616
  4. Step 4: Simplify right side
    305,793x = 439,059,963,456
  5. Step 5: Solve for x
    x = 439,059,963,456/305,793
  6. Step 6: Final answer
    x = 1,435,807.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.