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Finding the Third Proportional to 9,675 and 12,723.75

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Solution

The third proportional to 9,675 and 12,723.75 is: 16,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675 : 12,723.75 = 12,723.75 : x
  2. Step 2: Convert to fraction form
    9,675/12,723.75 = 12,723.75/x
  3. Step 3: Cross multiply
    9,675x = 12,723.75 × 12,723.75
  4. Step 4: Simplify right side
    9,675x = 161,893,814.06
  5. Step 5: Solve for x
    x = 161,893,814.06/9,675
  6. Step 6: Final answer
    x = 16,733.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.