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Finding the Third Proportional to 18,396.49 and 39,004.66

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Solution

The third proportional to 18,396.49 and 39,004.66 is: 82,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.49 : 39,004.66 = 39,004.66 : x
  2. Step 2: Convert to fraction form
    18,396.49/39,004.66 = 39,004.66/x
  3. Step 3: Cross multiply
    18,396.49x = 39,004.66 × 39,004.66
  4. Step 4: Simplify right side
    18,396.49x = 1,521,363,818.63
  5. Step 5: Solve for x
    x = 1,521,363,818.63/18,396.49
  6. Step 6: Final answer
    x = 82,698.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.