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Finding the Third Proportional to 240 and 476.25

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Solution

The third proportional to 240 and 476.25 is: 945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240 : 476.25 = 476.25 : x
  2. Step 2: Convert to fraction form
    240/476.25 = 476.25/x
  3. Step 3: Cross multiply
    240x = 476.25 × 476.25
  4. Step 4: Simplify right side
    240x = 226,814.06
  5. Step 5: Solve for x
    x = 226,814.06/240
  6. Step 6: Final answer
    x = 945.06

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.