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Finding the Third Proportional to 34,688.25 and 74,601

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Solution

The third proportional to 34,688.25 and 74,601 is: 160,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.25 : 74,601 = 74,601 : x
  2. Step 2: Convert to fraction form
    34,688.25/74,601 = 74,601/x
  3. Step 3: Cross multiply
    34,688.25x = 74,601 × 74,601
  4. Step 4: Simplify right side
    34,688.25x = 5,565,309,201
  5. Step 5: Solve for x
    x = 5,565,309,201/34,688.25
  6. Step 6: Final answer
    x = 160,437.88

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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.