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Finding the Third Proportional to 17,348.63 and 19,171.13

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Solution

The third proportional to 17,348.63 and 19,171.13 is: 21,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.63 : 19,171.13 = 19,171.13 : x
  2. Step 2: Convert to fraction form
    17,348.63/19,171.13 = 19,171.13/x
  3. Step 3: Cross multiply
    17,348.63x = 19,171.13 × 19,171.13
  4. Step 4: Simplify right side
    17,348.63x = 367,532,033.77
  5. Step 5: Solve for x
    x = 367,532,033.77/17,348.63
  6. Step 6: Final answer
    x = 21,185.08

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.