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Finding the Third Proportional to 477,988 and 733,694

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Solution

The third proportional to 477,988 and 733,694 is: 1,126,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,988 : 733,694 = 733,694 : x
  2. Step 2: Convert to fraction form
    477,988/733,694 = 733,694/x
  3. Step 3: Cross multiply
    477,988x = 733,694 × 733,694
  4. Step 4: Simplify right side
    477,988x = 538,306,885,636
  5. Step 5: Solve for x
    x = 538,306,885,636/477,988
  6. Step 6: Final answer
    x = 1,126,193.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.