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Finding the Third Proportional to 101,672 and 155,153

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Solution

The third proportional to 101,672 and 155,153 is: 236,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,672 : 155,153 = 155,153 : x
  2. Step 2: Convert to fraction form
    101,672/155,153 = 155,153/x
  3. Step 3: Cross multiply
    101,672x = 155,153 × 155,153
  4. Step 4: Simplify right side
    101,672x = 24,072,453,409
  5. Step 5: Solve for x
    x = 24,072,453,409/101,672
  6. Step 6: Final answer
    x = 236,765.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.