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Finding the Third Proportional to 17,668.13 and 27,555.19

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Solution

The third proportional to 17,668.13 and 27,555.19 is: 42,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.13 : 27,555.19 = 27,555.19 : x
  2. Step 2: Convert to fraction form
    17,668.13/27,555.19 = 27,555.19/x
  3. Step 3: Cross multiply
    17,668.13x = 27,555.19 × 27,555.19
  4. Step 4: Simplify right side
    17,668.13x = 759,288,358.16
  5. Step 5: Solve for x
    x = 759,288,358.16/17,668.13
  6. Step 6: Final answer
    x = 42,975.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.