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Finding the Third Proportional to 82,879.50 and 127,465.50

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Solution

The third proportional to 82,879.50 and 127,465.50 is: 196,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879.50 : 127,465.50 = 127,465.50 : x
  2. Step 2: Convert to fraction form
    82,879.50/127,465.50 = 127,465.50/x
  3. Step 3: Cross multiply
    82,879.50x = 127,465.50 × 127,465.50
  4. Step 4: Simplify right side
    82,879.50x = 16,247,453,690.25
  5. Step 5: Solve for x
    x = 16,247,453,690.25/82,879.50
  6. Step 6: Final answer
    x = 196,037.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.