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Finding the Third Proportional to 67,993 and 145,828

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Solution

The third proportional to 67,993 and 145,828 is: 312,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,993 : 145,828 = 145,828 : x
  2. Step 2: Convert to fraction form
    67,993/145,828 = 145,828/x
  3. Step 3: Cross multiply
    67,993x = 145,828 × 145,828
  4. Step 4: Simplify right side
    67,993x = 21,265,805,584
  5. Step 5: Solve for x
    x = 21,265,805,584/67,993
  6. Step 6: Final answer
    x = 312,764.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.