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Finding the Third Proportional to 37,485 and 79,827.75

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Solution

The third proportional to 37,485 and 79,827.75 is: 170,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485 : 79,827.75 = 79,827.75 : x
  2. Step 2: Convert to fraction form
    37,485/79,827.75 = 79,827.75/x
  3. Step 3: Cross multiply
    37,485x = 79,827.75 × 79,827.75
  4. Step 4: Simplify right side
    37,485x = 6,372,469,670.06
  5. Step 5: Solve for x
    x = 6,372,469,670.06/37,485
  6. Step 6: Final answer
    x = 170,000.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.