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Finding the Third Proportional to 20,186,562 and 43,780,470

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Solution

The third proportional to 20,186,562 and 43,780,470 is: 94,950,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,562 : 43,780,470 = 43,780,470 : x
  2. Step 2: Convert to fraction form
    20,186,562/43,780,470 = 43,780,470/x
  3. Step 3: Cross multiply
    20,186,562x = 43,780,470 × 43,780,470
  4. Step 4: Simplify right side
    20,186,562x = 1,916,729,553,420,900
  5. Step 5: Solve for x
    x = 1,916,729,553,420,900/20,186,562
  6. Step 6: Final answer
    x = 94,950,767.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.