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Finding the Third Proportional to 575.88 and 1,243.69

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Solution

The third proportional to 575.88 and 1,243.69 is: 2,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.88 : 1,243.69 = 1,243.69 : x
  2. Step 2: Convert to fraction form
    575.88/1,243.69 = 1,243.69/x
  3. Step 3: Cross multiply
    575.88x = 1,243.69 × 1,243.69
  4. Step 4: Simplify right side
    575.88x = 1,546,758.60
  5. Step 5: Solve for x
    x = 1,546,758.60/575.88
  6. Step 6: Final answer
    x = 2,685.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.