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Finding the Third Proportional to 157.25 and 341.38

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Solution

The third proportional to 157.25 and 341.38 is: 741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.25 : 341.38 = 341.38 : x
  2. Step 2: Convert to fraction form
    157.25/341.38 = 341.38/x
  3. Step 3: Cross multiply
    157.25x = 341.38 × 341.38
  4. Step 4: Simplify right side
    157.25x = 116,536.89
  5. Step 5: Solve for x
    x = 116,536.89/157.25
  6. Step 6: Final answer
    x = 741.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.