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Finding the Third Proportional to 157.57 and 364.97

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Solution

The third proportional to 157.57 and 364.97 is: 845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.57 : 364.97 = 364.97 : x
  2. Step 2: Convert to fraction form
    157.57/364.97 = 364.97/x
  3. Step 3: Cross multiply
    157.57x = 364.97 × 364.97
  4. Step 4: Simplify right side
    157.57x = 133,206.47
  5. Step 5: Solve for x
    x = 133,206.47/157.57
  6. Step 6: Final answer
    x = 845.38

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.