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Finding the Third Proportional to 162.56 and 351

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Solution

The third proportional to 162.56 and 351 is: 757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.56 : 351 = 351 : x
  2. Step 2: Convert to fraction form
    162.56/351 = 351/x
  3. Step 3: Cross multiply
    162.56x = 351 × 351
  4. Step 4: Simplify right side
    162.56x = 123,201
  5. Step 5: Solve for x
    x = 123,201/162.56
  6. Step 6: Final answer
    x = 757.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.