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Finding the Third Proportional to 158.91 and 233.81

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Solution

The third proportional to 158.91 and 233.81 is: 344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.91 : 233.81 = 233.81 : x
  2. Step 2: Convert to fraction form
    158.91/233.81 = 233.81/x
  3. Step 3: Cross multiply
    158.91x = 233.81 × 233.81
  4. Step 4: Simplify right side
    158.91x = 54,668.29
  5. Step 5: Solve for x
    x = 54,668.29/158.91
  6. Step 6: Final answer
    x = 344.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.