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Finding the Third Proportional to 9,790,410 and 21,207,975

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Solution

The third proportional to 9,790,410 and 21,207,975 is: 45,940,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,410 : 21,207,975 = 21,207,975 : x
  2. Step 2: Convert to fraction form
    9,790,410/21,207,975 = 21,207,975/x
  3. Step 3: Cross multiply
    9,790,410x = 21,207,975 × 21,207,975
  4. Step 4: Simplify right side
    9,790,410x = 449,778,203,600,625
  5. Step 5: Solve for x
    x = 449,778,203,600,625/9,790,410
  6. Step 6: Final answer
    x = 45,940,691.31

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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.