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Finding the Third Proportional to 18,035 and 39,112.50

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Solution

The third proportional to 18,035 and 39,112.50 is: 84,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035 : 39,112.50 = 39,112.50 : x
  2. Step 2: Convert to fraction form
    18,035/39,112.50 = 39,112.50/x
  3. Step 3: Cross multiply
    18,035x = 39,112.50 × 39,112.50
  4. Step 4: Simplify right side
    18,035x = 1,529,787,656.25
  5. Step 5: Solve for x
    x = 1,529,787,656.25/18,035
  6. Step 6: Final answer
    x = 84,823.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.