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Finding the Third Proportional to 101,431 and 157,675

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Solution

The third proportional to 101,431 and 157,675 is: 245,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,431 : 157,675 = 157,675 : x
  2. Step 2: Convert to fraction form
    101,431/157,675 = 157,675/x
  3. Step 3: Cross multiply
    101,431x = 157,675 × 157,675
  4. Step 4: Simplify right side
    101,431x = 24,861,405,625
  5. Step 5: Solve for x
    x = 24,861,405,625/101,431
  6. Step 6: Final answer
    x = 245,106.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.