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Finding the Third Proportional to 34,825 and 74,887

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Solution

The third proportional to 34,825 and 74,887 is: 161,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,825 : 74,887 = 74,887 : x
  2. Step 2: Convert to fraction form
    34,825/74,887 = 74,887/x
  3. Step 3: Cross multiply
    34,825x = 74,887 × 74,887
  4. Step 4: Simplify right side
    34,825x = 5,608,062,769
  5. Step 5: Solve for x
    x = 5,608,062,769/34,825
  6. Step 6: Final answer
    x = 161,035.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.