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Finding the Third Proportional to 18,206.50 and 39,527

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Solution

The third proportional to 18,206.50 and 39,527 is: 85,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.50 : 39,527 = 39,527 : x
  2. Step 2: Convert to fraction form
    18,206.50/39,527 = 39,527/x
  3. Step 3: Cross multiply
    18,206.50x = 39,527 × 39,527
  4. Step 4: Simplify right side
    18,206.50x = 1,562,383,729
  5. Step 5: Solve for x
    x = 1,562,383,729/18,206.50
  6. Step 6: Final answer
    x = 85,814.61

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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.