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Finding the Third Proportional to 39,024 and 84,672

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Solution

The third proportional to 39,024 and 84,672 is: 183,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024 : 84,672 = 84,672 : x
  2. Step 2: Convert to fraction form
    39,024/84,672 = 84,672/x
  3. Step 3: Cross multiply
    39,024x = 84,672 × 84,672
  4. Step 4: Simplify right side
    39,024x = 7,169,347,584
  5. Step 5: Solve for x
    x = 7,169,347,584/39,024
  6. Step 6: Final answer
    x = 183,716.37

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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.