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Finding the Third Proportional to 34,990.50 and 74,652

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Solution

The third proportional to 34,990.50 and 74,652 is: 159,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.50 : 74,652 = 74,652 : x
  2. Step 2: Convert to fraction form
    34,990.50/74,652 = 74,652/x
  3. Step 3: Cross multiply
    34,990.50x = 74,652 × 74,652
  4. Step 4: Simplify right side
    34,990.50x = 5,572,921,104
  5. Step 5: Solve for x
    x = 5,572,921,104/34,990.50
  6. Step 6: Final answer
    x = 159,269.55

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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.