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Finding the Third Proportional to 162.25 and 237.38

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Solution

The third proportional to 162.25 and 237.38 is: 347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.25 : 237.38 = 237.38 : x
  2. Step 2: Convert to fraction form
    162.25/237.38 = 237.38/x
  3. Step 3: Cross multiply
    162.25x = 237.38 × 237.38
  4. Step 4: Simplify right side
    162.25x = 56,346.89
  5. Step 5: Solve for x
    x = 56,346.89/162.25
  6. Step 6: Final answer
    x = 347.28

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.