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Finding the Third Proportional to 240.47 and 350.16

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Solution

The third proportional to 240.47 and 350.16 is: 509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.47 : 350.16 = 350.16 : x
  2. Step 2: Convert to fraction form
    240.47/350.16 = 350.16/x
  3. Step 3: Cross multiply
    240.47x = 350.16 × 350.16
  4. Step 4: Simplify right side
    240.47x = 122,609.40
  5. Step 5: Solve for x
    x = 122,609.40/240.47
  6. Step 6: Final answer
    x = 509.88

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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.