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Finding the Third Proportional to 525.94 and 825.47

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Solution

The third proportional to 525.94 and 825.47 is: 1,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.94 : 825.47 = 825.47 : x
  2. Step 2: Convert to fraction form
    525.94/825.47 = 825.47/x
  3. Step 3: Cross multiply
    525.94x = 825.47 × 825.47
  4. Step 4: Simplify right side
    525.94x = 681,398.66
  5. Step 5: Solve for x
    x = 681,398.66/525.94
  6. Step 6: Final answer
    x = 1,295.59

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.