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Finding the Third Proportional to 13,240 and 26,144

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Solution

The third proportional to 13,240 and 26,144 is: 51,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240 : 26,144 = 26,144 : x
  2. Step 2: Convert to fraction form
    13,240/26,144 = 26,144/x
  3. Step 3: Cross multiply
    13,240x = 26,144 × 26,144
  4. Step 4: Simplify right side
    13,240x = 683,508,736
  5. Step 5: Solve for x
    x = 683,508,736/13,240
  6. Step 6: Final answer
    x = 51,624.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.