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Finding the Third Proportional to 19,369.76 and 39,559.64

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Solution

The third proportional to 19,369.76 and 39,559.64 is: 80,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.76 : 39,559.64 = 39,559.64 : x
  2. Step 2: Convert to fraction form
    19,369.76/39,559.64 = 39,559.64/x
  3. Step 3: Cross multiply
    19,369.76x = 39,559.64 × 39,559.64
  4. Step 4: Simplify right side
    19,369.76x = 1,564,965,166.38
  5. Step 5: Solve for x
    x = 1,564,965,166.38/19,369.76
  6. Step 6: Final answer
    x = 80,794.26

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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.