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Finding the Third Proportional to 287.06 and 332.44

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Solution

The third proportional to 287.06 and 332.44 is: 384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    287.06 : 332.44 = 332.44 : x
  2. Step 2: Convert to fraction form
    287.06/332.44 = 332.44/x
  3. Step 3: Cross multiply
    287.06x = 332.44 × 332.44
  4. Step 4: Simplify right side
    287.06x = 110,514.69
  5. Step 5: Solve for x
    x = 110,514.69/287.06
  6. Step 6: Final answer
    x = 384.98

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.