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Finding the Third Proportional to 254.25 and 370.13

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Solution

The third proportional to 254.25 and 370.13 is: 538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.25 : 370.13 = 370.13 : x
  2. Step 2: Convert to fraction form
    254.25/370.13 = 370.13/x
  3. Step 3: Cross multiply
    254.25x = 370.13 × 370.13
  4. Step 4: Simplify right side
    254.25x = 136,992.52
  5. Step 5: Solve for x
    x = 136,992.52/254.25
  6. Step 6: Final answer
    x = 538.81

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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.