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Finding the Third Proportional to 104,422,500 and 221,292,972

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Solution

The third proportional to 104,422,500 and 221,292,972 is: 468,965,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422,500 : 221,292,972 = 221,292,972 : x
  2. Step 2: Convert to fraction form
    104,422,500/221,292,972 = 221,292,972/x
  3. Step 3: Cross multiply
    104,422,500x = 221,292,972 × 221,292,972
  4. Step 4: Simplify right side
    104,422,500x = 48,970,579,456,592,784
  5. Step 5: Solve for x
    x = 48,970,579,456,592,784/104,422,500
  6. Step 6: Final answer
    x = 468,965,782.82

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.