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Finding the Third Proportional to 68,208 and 149,056

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Solution

The third proportional to 68,208 and 149,056 is: 325,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208 : 149,056 = 149,056 : x
  2. Step 2: Convert to fraction form
    68,208/149,056 = 149,056/x
  3. Step 3: Cross multiply
    68,208x = 149,056 × 149,056
  4. Step 4: Simplify right side
    68,208x = 22,217,691,136
  5. Step 5: Solve for x
    x = 22,217,691,136/68,208
  6. Step 6: Final answer
    x = 325,734.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.