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Finding the Third Proportional to 127,716.75 and 277,537.50

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Solution

The third proportional to 127,716.75 and 277,537.50 is: 603,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,716.75 : 277,537.50 = 277,537.50 : x
  2. Step 2: Convert to fraction form
    127,716.75/277,537.50 = 277,537.50/x
  3. Step 3: Cross multiply
    127,716.75x = 277,537.50 × 277,537.50
  4. Step 4: Simplify right side
    127,716.75x = 77,027,063,906.25
  5. Step 5: Solve for x
    x = 77,027,063,906.25/127,716.75
  6. Step 6: Final answer
    x = 603,108.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.