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Finding the Third Proportional to 36,036 and 74,940

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Solution

The third proportional to 36,036 and 74,940 is: 155,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036 : 74,940 = 74,940 : x
  2. Step 2: Convert to fraction form
    36,036/74,940 = 74,940/x
  3. Step 3: Cross multiply
    36,036x = 74,940 × 74,940
  4. Step 4: Simplify right side
    36,036x = 5,616,003,600
  5. Step 5: Solve for x
    x = 5,616,003,600/36,036
  6. Step 6: Final answer
    x = 155,844.26

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.