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Finding the Third Proportional to 68,452 and 149,968

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Solution

The third proportional to 68,452 and 149,968 is: 328,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,452 : 149,968 = 149,968 : x
  2. Step 2: Convert to fraction form
    68,452/149,968 = 149,968/x
  3. Step 3: Cross multiply
    68,452x = 149,968 × 149,968
  4. Step 4: Simplify right side
    68,452x = 22,490,401,024
  5. Step 5: Solve for x
    x = 22,490,401,024/68,452
  6. Step 6: Final answer
    x = 328,557.25

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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.