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Finding the Third Proportional to 39,026.81 and 79,511.63

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Solution

The third proportional to 39,026.81 and 79,511.63 is: 161,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.81 : 79,511.63 = 79,511.63 : x
  2. Step 2: Convert to fraction form
    39,026.81/79,511.63 = 79,511.63/x
  3. Step 3: Cross multiply
    39,026.81x = 79,511.63 × 79,511.63
  4. Step 4: Simplify right side
    39,026.81x = 6,322,098,510.14
  5. Step 5: Solve for x
    x = 6,322,098,510.14/39,026.81
  6. Step 6: Final answer
    x = 161,993.72

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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.