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Finding the Third Proportional to 51,302 and 76,749

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Solution

The third proportional to 51,302 and 76,749 is: 114,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302 : 76,749 = 76,749 : x
  2. Step 2: Convert to fraction form
    51,302/76,749 = 76,749/x
  3. Step 3: Cross multiply
    51,302x = 76,749 × 76,749
  4. Step 4: Simplify right side
    51,302x = 5,890,409,001
  5. Step 5: Solve for x
    x = 5,890,409,001/51,302
  6. Step 6: Final answer
    x = 114,818.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.