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Finding the Third Proportional to 62,112 and 87,803

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Solution

The third proportional to 62,112 and 87,803 is: 124,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112 : 87,803 = 87,803 : x
  2. Step 2: Convert to fraction form
    62,112/87,803 = 87,803/x
  3. Step 3: Cross multiply
    62,112x = 87,803 × 87,803
  4. Step 4: Simplify right side
    62,112x = 7,709,366,809
  5. Step 5: Solve for x
    x = 7,709,366,809/62,112
  6. Step 6: Final answer
    x = 124,120.41

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.