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Finding the Third Proportional to 17,619.47 and 36,696.66

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Solution

The third proportional to 17,619.47 and 36,696.66 is: 76,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.47 : 36,696.66 = 36,696.66 : x
  2. Step 2: Convert to fraction form
    17,619.47/36,696.66 = 36,696.66/x
  3. Step 3: Cross multiply
    17,619.47x = 36,696.66 × 36,696.66
  4. Step 4: Simplify right side
    17,619.47x = 1,346,644,579.93
  5. Step 5: Solve for x
    x = 1,346,644,579.93/17,619.47
  6. Step 6: Final answer
    x = 76,429.35

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.