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Finding the Third Proportional to 17,025.19 and 21,642.19

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Solution

The third proportional to 17,025.19 and 21,642.19 is: 27,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,025.19 : 21,642.19 = 21,642.19 : x
  2. Step 2: Convert to fraction form
    17,025.19/21,642.19 = 21,642.19/x
  3. Step 3: Cross multiply
    17,025.19x = 21,642.19 × 21,642.19
  4. Step 4: Simplify right side
    17,025.19x = 468,384,279.79
  5. Step 5: Solve for x
    x = 468,384,279.79/17,025.19
  6. Step 6: Final answer
    x = 27,511.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.