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Finding the Third Proportional to 39,214 and 84,887

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Solution

The third proportional to 39,214 and 84,887 is: 183,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214 : 84,887 = 84,887 : x
  2. Step 2: Convert to fraction form
    39,214/84,887 = 84,887/x
  3. Step 3: Cross multiply
    39,214x = 84,887 × 84,887
  4. Step 4: Simplify right side
    39,214x = 7,205,802,769
  5. Step 5: Solve for x
    x = 7,205,802,769/39,214
  6. Step 6: Final answer
    x = 183,755.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.