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Finding the Third Proportional to 1,247,864 and 2,684,873

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Solution

The third proportional to 1,247,864 and 2,684,873 is: 5,776,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,864 : 2,684,873 = 2,684,873 : x
  2. Step 2: Convert to fraction form
    1,247,864/2,684,873 = 2,684,873/x
  3. Step 3: Cross multiply
    1,247,864x = 2,684,873 × 2,684,873
  4. Step 4: Simplify right side
    1,247,864x = 7,208,543,026,129
  5. Step 5: Solve for x
    x = 7,208,543,026,129/1,247,864
  6. Step 6: Final answer
    x = 5,776,705.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.