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Finding the Third Proportional to 60,313.50 and 127,431

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Solution

The third proportional to 60,313.50 and 127,431 is: 269,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,313.50 : 127,431 = 127,431 : x
  2. Step 2: Convert to fraction form
    60,313.50/127,431 = 127,431/x
  3. Step 3: Cross multiply
    60,313.50x = 127,431 × 127,431
  4. Step 4: Simplify right side
    60,313.50x = 16,238,659,761
  5. Step 5: Solve for x
    x = 16,238,659,761/60,313.50
  6. Step 6: Final answer
    x = 269,237.56

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.