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Finding the Third Proportional to 8,622,966 and 18,776,838

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Solution

The third proportional to 8,622,966 and 18,776,838 is: 40,887,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,966 : 18,776,838 = 18,776,838 : x
  2. Step 2: Convert to fraction form
    8,622,966/18,776,838 = 18,776,838/x
  3. Step 3: Cross multiply
    8,622,966x = 18,776,838 × 18,776,838
  4. Step 4: Simplify right side
    8,622,966x = 352,569,645,278,244
  5. Step 5: Solve for x
    x = 352,569,645,278,244/8,622,966
  6. Step 6: Final answer
    x = 40,887,282.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.