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Finding the Third Proportional to 161.06 and 358.13

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Solution

The third proportional to 161.06 and 358.13 is: 796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.06 : 358.13 = 358.13 : x
  2. Step 2: Convert to fraction form
    161.06/358.13 = 358.13/x
  3. Step 3: Cross multiply
    161.06x = 358.13 × 358.13
  4. Step 4: Simplify right side
    161.06x = 128,253.52
  5. Step 5: Solve for x
    x = 128,253.52/161.06
  6. Step 6: Final answer
    x = 796.30

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.