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Finding the Third Proportional to 188,745 and 275,331

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Solution

The third proportional to 188,745 and 275,331 is: 401,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,745 : 275,331 = 275,331 : x
  2. Step 2: Convert to fraction form
    188,745/275,331 = 275,331/x
  3. Step 3: Cross multiply
    188,745x = 275,331 × 275,331
  4. Step 4: Simplify right side
    188,745x = 75,807,159,561
  5. Step 5: Solve for x
    x = 75,807,159,561/188,745
  6. Step 6: Final answer
    x = 401,637.97

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.