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Finding the Third Proportional to 8,802,198 and 18,905,931

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Solution

The third proportional to 8,802,198 and 18,905,931 is: 40,607,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,198 : 18,905,931 = 18,905,931 : x
  2. Step 2: Convert to fraction form
    8,802,198/18,905,931 = 18,905,931/x
  3. Step 3: Cross multiply
    8,802,198x = 18,905,931 × 18,905,931
  4. Step 4: Simplify right side
    8,802,198x = 357,434,226,976,761
  5. Step 5: Solve for x
    x = 357,434,226,976,761/8,802,198
  6. Step 6: Final answer
    x = 40,607,383.18

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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.