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Finding the Third Proportional to 11,087 and 17,213.75

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Solution

The third proportional to 11,087 and 17,213.75 is: 26,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087 : 17,213.75 = 17,213.75 : x
  2. Step 2: Convert to fraction form
    11,087/17,213.75 = 17,213.75/x
  3. Step 3: Cross multiply
    11,087x = 17,213.75 × 17,213.75
  4. Step 4: Simplify right side
    11,087x = 296,313,189.06
  5. Step 5: Solve for x
    x = 296,313,189.06/11,087
  6. Step 6: Final answer
    x = 26,726.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.