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Finding the Third Proportional to 127,234.50 and 197,109

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Solution

The third proportional to 127,234.50 and 197,109 is: 305,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,234.50 : 197,109 = 197,109 : x
  2. Step 2: Convert to fraction form
    127,234.50/197,109 = 197,109/x
  3. Step 3: Cross multiply
    127,234.50x = 197,109 × 197,109
  4. Step 4: Simplify right side
    127,234.50x = 38,851,957,881
  5. Step 5: Solve for x
    x = 38,851,957,881/127,234.50
  6. Step 6: Final answer
    x = 305,357.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.