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Finding the Third Proportional to 359.75 and 755.88

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Solution

The third proportional to 359.75 and 755.88 is: 1,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.75 : 755.88 = 755.88 : x
  2. Step 2: Convert to fraction form
    359.75/755.88 = 755.88/x
  3. Step 3: Cross multiply
    359.75x = 755.88 × 755.88
  4. Step 4: Simplify right side
    359.75x = 571,347.02
  5. Step 5: Solve for x
    x = 571,347.02/359.75
  6. Step 6: Final answer
    x = 1,588.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.