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Finding the Third Proportional to 526 and 789.25

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Solution

The third proportional to 526 and 789.25 is: 1,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526 : 789.25 = 789.25 : x
  2. Step 2: Convert to fraction form
    526/789.25 = 789.25/x
  3. Step 3: Cross multiply
    526x = 789.25 × 789.25
  4. Step 4: Simplify right side
    526x = 622,915.56
  5. Step 5: Solve for x
    x = 622,915.56/526
  6. Step 6: Final answer
    x = 1,184.25

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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.