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Finding the Third Proportional to 77,883.75 and 170,181.56

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Solution

The third proportional to 77,883.75 and 170,181.56 is: 371,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,883.75 : 170,181.56 = 170,181.56 : x
  2. Step 2: Convert to fraction form
    77,883.75/170,181.56 = 170,181.56/x
  3. Step 3: Cross multiply
    77,883.75x = 170,181.56 × 170,181.56
  4. Step 4: Simplify right side
    77,883.75x = 28,961,764,214.94
  5. Step 5: Solve for x
    x = 28,961,764,214.94/77,883.75
  6. Step 6: Final answer
    x = 371,858.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.