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Finding the Third Proportional to 237.94 and 631.97

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Solution

The third proportional to 237.94 and 631.97 is: 1,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.94 : 631.97 = 631.97 : x
  2. Step 2: Convert to fraction form
    237.94/631.97 = 631.97/x
  3. Step 3: Cross multiply
    237.94x = 631.97 × 631.97
  4. Step 4: Simplify right side
    237.94x = 399,384.50
  5. Step 5: Solve for x
    x = 399,384.50/237.94
  6. Step 6: Final answer
    x = 1,678.53

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.