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Finding the Third Proportional to 28,176.75 and 66,634.88

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Solution

The third proportional to 28,176.75 and 66,634.88 is: 157,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.75 : 66,634.88 = 66,634.88 : x
  2. Step 2: Convert to fraction form
    28,176.75/66,634.88 = 66,634.88/x
  3. Step 3: Cross multiply
    28,176.75x = 66,634.88 × 66,634.88
  4. Step 4: Simplify right side
    28,176.75x = 4,440,206,566.27
  5. Step 5: Solve for x
    x = 4,440,206,566.27/28,176.75
  6. Step 6: Final answer
    x = 157,584.06

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.