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Finding the Third Proportional to 37,640 and 55,125

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Solution

The third proportional to 37,640 and 55,125 is: 80,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640 : 55,125 = 55,125 : x
  2. Step 2: Convert to fraction form
    37,640/55,125 = 55,125/x
  3. Step 3: Cross multiply
    37,640x = 55,125 × 55,125
  4. Step 4: Simplify right side
    37,640x = 3,038,765,625
  5. Step 5: Solve for x
    x = 3,038,765,625/37,640
  6. Step 6: Final answer
    x = 80,732.35

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.