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Finding the Third Proportional to 68,293 and 149,038

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Solution

The third proportional to 68,293 and 149,038 is: 325,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,293 : 149,038 = 149,038 : x
  2. Step 2: Convert to fraction form
    68,293/149,038 = 149,038/x
  3. Step 3: Cross multiply
    68,293x = 149,038 × 149,038
  4. Step 4: Simplify right side
    68,293x = 22,212,325,444
  5. Step 5: Solve for x
    x = 22,212,325,444/68,293
  6. Step 6: Final answer
    x = 325,250.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.