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Finding the Third Proportional to 303,934 and 661,382

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Solution

The third proportional to 303,934 and 661,382 is: 1,439,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,934 : 661,382 = 661,382 : x
  2. Step 2: Convert to fraction form
    303,934/661,382 = 661,382/x
  3. Step 3: Cross multiply
    303,934x = 661,382 × 661,382
  4. Step 4: Simplify right side
    303,934x = 437,426,149,924
  5. Step 5: Solve for x
    x = 437,426,149,924/303,934
  6. Step 6: Final answer
    x = 1,439,214.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.