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Finding the Third Proportional to 122,622 and 187,497

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Solution

The third proportional to 122,622 and 187,497 is: 286,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,622 : 187,497 = 187,497 : x
  2. Step 2: Convert to fraction form
    122,622/187,497 = 187,497/x
  3. Step 3: Cross multiply
    122,622x = 187,497 × 187,497
  4. Step 4: Simplify right side
    122,622x = 35,155,125,009
  5. Step 5: Solve for x
    x = 35,155,125,009/122,622
  6. Step 6: Final answer
    x = 286,695.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.