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Finding the Third Proportional to 8,708.63 and 20,767.50

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Solution

The third proportional to 8,708.63 and 20,767.50 is: 49,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.63 : 20,767.50 = 20,767.50 : x
  2. Step 2: Convert to fraction form
    8,708.63/20,767.50 = 20,767.50/x
  3. Step 3: Cross multiply
    8,708.63x = 20,767.50 × 20,767.50
  4. Step 4: Simplify right side
    8,708.63x = 431,289,056.25
  5. Step 5: Solve for x
    x = 431,289,056.25/8,708.63
  6. Step 6: Final answer
    x = 49,524.36

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.