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Finding the Third Proportional to 575.06 and 860.44

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Solution

The third proportional to 575.06 and 860.44 is: 1,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.06 : 860.44 = 860.44 : x
  2. Step 2: Convert to fraction form
    575.06/860.44 = 860.44/x
  3. Step 3: Cross multiply
    575.06x = 860.44 × 860.44
  4. Step 4: Simplify right side
    575.06x = 740,352.69
  5. Step 5: Solve for x
    x = 740,352.69/575.06
  6. Step 6: Final answer
    x = 1,287.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.