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Finding the Third Proportional to 7,185.75 and 9,567.75

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Solution

The third proportional to 7,185.75 and 9,567.75 is: 12,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.75 : 9,567.75 = 9,567.75 : x
  2. Step 2: Convert to fraction form
    7,185.75/9,567.75 = 9,567.75/x
  3. Step 3: Cross multiply
    7,185.75x = 9,567.75 × 9,567.75
  4. Step 4: Simplify right side
    7,185.75x = 91,541,840.06
  5. Step 5: Solve for x
    x = 91,541,840.06/7,185.75
  6. Step 6: Final answer
    x = 12,739.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.