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Finding the Third Proportional to 68,826.56 and 127,640.06

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Solution

The third proportional to 68,826.56 and 127,640.06 is: 236,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.56 : 127,640.06 = 127,640.06 : x
  2. Step 2: Convert to fraction form
    68,826.56/127,640.06 = 127,640.06/x
  3. Step 3: Cross multiply
    68,826.56x = 127,640.06 × 127,640.06
  4. Step 4: Simplify right side
    68,826.56x = 16,291,985,555.00
  5. Step 5: Solve for x
    x = 16,291,985,555.00/68,826.56
  6. Step 6: Final answer
    x = 236,710.73

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.