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Finding the Third Proportional to 359.44 and 552.66

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Solution

The third proportional to 359.44 and 552.66 is: 849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.44 : 552.66 = 552.66 : x
  2. Step 2: Convert to fraction form
    359.44/552.66 = 552.66/x
  3. Step 3: Cross multiply
    359.44x = 552.66 × 552.66
  4. Step 4: Simplify right side
    359.44x = 305,428.93
  5. Step 5: Solve for x
    x = 305,428.93/359.44
  6. Step 6: Final answer
    x = 849.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.