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Finding the Third Proportional to 9,919,533 and 21,790,599

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Solution

The third proportional to 9,919,533 and 21,790,599 is: 47,868,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,533 : 21,790,599 = 21,790,599 : x
  2. Step 2: Convert to fraction form
    9,919,533/21,790,599 = 21,790,599/x
  3. Step 3: Cross multiply
    9,919,533x = 21,790,599 × 21,790,599
  4. Step 4: Simplify right side
    9,919,533x = 474,830,204,778,801
  5. Step 5: Solve for x
    x = 474,830,204,778,801/9,919,533
  6. Step 6: Final answer
    x = 47,868,201.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.