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Finding the Third Proportional to 302.63 and 365.25

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Solution

The third proportional to 302.63 and 365.25 is: 440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.63 : 365.25 = 365.25 : x
  2. Step 2: Convert to fraction form
    302.63/365.25 = 365.25/x
  3. Step 3: Cross multiply
    302.63x = 365.25 × 365.25
  4. Step 4: Simplify right side
    302.63x = 133,407.56
  5. Step 5: Solve for x
    x = 133,407.56/302.63
  6. Step 6: Final answer
    x = 440.83

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.