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Finding the Third Proportional to 19,986 and 26,520

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Solution

The third proportional to 19,986 and 26,520 is: 35,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986 : 26,520 = 26,520 : x
  2. Step 2: Convert to fraction form
    19,986/26,520 = 26,520/x
  3. Step 3: Cross multiply
    19,986x = 26,520 × 26,520
  4. Step 4: Simplify right side
    19,986x = 703,310,400
  5. Step 5: Solve for x
    x = 703,310,400/19,986
  6. Step 6: Final answer
    x = 35,190.15

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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.