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Finding the Third Proportional to 71,124 and 153,622

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Solution

The third proportional to 71,124 and 153,622 is: 331,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,124 : 153,622 = 153,622 : x
  2. Step 2: Convert to fraction form
    71,124/153,622 = 153,622/x
  3. Step 3: Cross multiply
    71,124x = 153,622 × 153,622
  4. Step 4: Simplify right side
    71,124x = 23,599,718,884
  5. Step 5: Solve for x
    x = 23,599,718,884/71,124
  6. Step 6: Final answer
    x = 331,810.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.