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Finding the Third Proportional to 122,553.75 and 168,763.50

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Solution

The third proportional to 122,553.75 and 168,763.50 is: 232,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,553.75 : 168,763.50 = 168,763.50 : x
  2. Step 2: Convert to fraction form
    122,553.75/168,763.50 = 168,763.50/x
  3. Step 3: Cross multiply
    122,553.75x = 168,763.50 × 168,763.50
  4. Step 4: Simplify right side
    122,553.75x = 28,481,118,932.25
  5. Step 5: Solve for x
    x = 28,481,118,932.25/122,553.75
  6. Step 6: Final answer
    x = 232,396.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.