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Finding the Third Proportional to 75.13 and 162.63

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Solution

The third proportional to 75.13 and 162.63 is: 352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.13 : 162.63 = 162.63 : x
  2. Step 2: Convert to fraction form
    75.13/162.63 = 162.63/x
  3. Step 3: Cross multiply
    75.13x = 162.63 × 162.63
  4. Step 4: Simplify right side
    75.13x = 26,449.43
  5. Step 5: Solve for x
    x = 26,449.43/75.13
  6. Step 6: Final answer
    x = 352.05

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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.