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Finding the Third Proportional to 5,271,967 and 10,858,781

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Solution

The third proportional to 5,271,967 and 10,858,781 is: 22,366,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,967 : 10,858,781 = 10,858,781 : x
  2. Step 2: Convert to fraction form
    5,271,967/10,858,781 = 10,858,781/x
  3. Step 3: Cross multiply
    5,271,967x = 10,858,781 × 10,858,781
  4. Step 4: Simplify right side
    5,271,967x = 117,913,124,805,961
  5. Step 5: Solve for x
    x = 117,913,124,805,961/5,271,967
  6. Step 6: Final answer
    x = 22,366,058.97

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.