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Finding the Third Proportional to 34,821 and 75,181.50

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Solution

The third proportional to 34,821 and 75,181.50 is: 162,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821 : 75,181.50 = 75,181.50 : x
  2. Step 2: Convert to fraction form
    34,821/75,181.50 = 75,181.50/x
  3. Step 3: Cross multiply
    34,821x = 75,181.50 × 75,181.50
  4. Step 4: Simplify right side
    34,821x = 5,652,257,942.25
  5. Step 5: Solve for x
    x = 5,652,257,942.25/34,821
  6. Step 6: Final answer
    x = 162,323.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.