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Finding the Third Proportional to 9,261.75 and 13,235.25

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Solution

The third proportional to 9,261.75 and 13,235.25 is: 18,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.75 : 13,235.25 = 13,235.25 : x
  2. Step 2: Convert to fraction form
    9,261.75/13,235.25 = 13,235.25/x
  3. Step 3: Cross multiply
    9,261.75x = 13,235.25 × 13,235.25
  4. Step 4: Simplify right side
    9,261.75x = 175,171,842.56
  5. Step 5: Solve for x
    x = 175,171,842.56/9,261.75
  6. Step 6: Final answer
    x = 18,913.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.