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Finding the Third Proportional to 69,272 and 151,506

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Solution

The third proportional to 69,272 and 151,506 is: 331,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,272 : 151,506 = 151,506 : x
  2. Step 2: Convert to fraction form
    69,272/151,506 = 151,506/x
  3. Step 3: Cross multiply
    69,272x = 151,506 × 151,506
  4. Step 4: Simplify right side
    69,272x = 22,954,068,036
  5. Step 5: Solve for x
    x = 22,954,068,036/69,272
  6. Step 6: Final answer
    x = 331,361.42

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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.