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Finding the Third Proportional to 18,066 and 39,261

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Solution

The third proportional to 18,066 and 39,261 is: 85,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066 : 39,261 = 39,261 : x
  2. Step 2: Convert to fraction form
    18,066/39,261 = 39,261/x
  3. Step 3: Cross multiply
    18,066x = 39,261 × 39,261
  4. Step 4: Simplify right side
    18,066x = 1,541,426,121
  5. Step 5: Solve for x
    x = 1,541,426,121/18,066
  6. Step 6: Final answer
    x = 85,321.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.