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Finding the Third Proportional to 145.13 and 226.34

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Solution

The third proportional to 145.13 and 226.34 is: 352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.13 : 226.34 = 226.34 : x
  2. Step 2: Convert to fraction form
    145.13/226.34 = 226.34/x
  3. Step 3: Cross multiply
    145.13x = 226.34 × 226.34
  4. Step 4: Simplify right side
    145.13x = 51,227.96
  5. Step 5: Solve for x
    x = 51,227.96/145.13
  6. Step 6: Final answer
    x = 352.99

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.