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Finding the Third Proportional to 18,451.13 and 25,980.75

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Solution

The third proportional to 18,451.13 and 25,980.75 is: 36,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.13 : 25,980.75 = 25,980.75 : x
  2. Step 2: Convert to fraction form
    18,451.13/25,980.75 = 25,980.75/x
  3. Step 3: Cross multiply
    18,451.13x = 25,980.75 × 25,980.75
  4. Step 4: Simplify right side
    18,451.13x = 674,999,370.56
  5. Step 5: Solve for x
    x = 674,999,370.56/18,451.13
  6. Step 6: Final answer
    x = 36,583.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.