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Finding the Third Proportional to 8,641.69 and 17,646.19

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Solution

The third proportional to 8,641.69 and 17,646.19 is: 36,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.69 : 17,646.19 = 17,646.19 : x
  2. Step 2: Convert to fraction form
    8,641.69/17,646.19 = 17,646.19/x
  3. Step 3: Cross multiply
    8,641.69x = 17,646.19 × 17,646.19
  4. Step 4: Simplify right side
    8,641.69x = 311,387,933.29
  5. Step 5: Solve for x
    x = 311,387,933.29/8,641.69
  6. Step 6: Final answer
    x = 36,033.23

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.