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Finding the Third Proportional to 302.06 and 479.25

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Solution

The third proportional to 302.06 and 479.25 is: 760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.06 : 479.25 = 479.25 : x
  2. Step 2: Convert to fraction form
    302.06/479.25 = 479.25/x
  3. Step 3: Cross multiply
    302.06x = 479.25 × 479.25
  4. Step 4: Simplify right side
    302.06x = 229,680.56
  5. Step 5: Solve for x
    x = 229,680.56/302.06
  6. Step 6: Final answer
    x = 760.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.