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Finding the Third Proportional to 36,772 and 51,989

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Solution

The third proportional to 36,772 and 51,989 is: 73,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772 : 51,989 = 51,989 : x
  2. Step 2: Convert to fraction form
    36,772/51,989 = 51,989/x
  3. Step 3: Cross multiply
    36,772x = 51,989 × 51,989
  4. Step 4: Simplify right side
    36,772x = 2,702,856,121
  5. Step 5: Solve for x
    x = 2,702,856,121/36,772
  6. Step 6: Final answer
    x = 73,503.10

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.