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Finding the Third Proportional to 18,870,456.75 and 41,274,005.25

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Solution

The third proportional to 18,870,456.75 and 41,274,005.25 is: 90,275,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,456.75 : 41,274,005.25 = 41,274,005.25 : x
  2. Step 2: Convert to fraction form
    18,870,456.75/41,274,005.25 = 41,274,005.25/x
  3. Step 3: Cross multiply
    18,870,456.75x = 41,274,005.25 × 41,274,005.25
  4. Step 4: Simplify right side
    18,870,456.75x = 1,703,543,509,377,027.50
  5. Step 5: Solve for x
    x = 1,703,543,509,377,027.50/18,870,456.75
  6. Step 6: Final answer
    x = 90,275,690.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.