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Finding the Third Proportional to 61,221,266 and 133,203,799

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Solution

The third proportional to 61,221,266 and 133,203,799 is: 289,821,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221,266 : 133,203,799 = 133,203,799 : x
  2. Step 2: Convert to fraction form
    61,221,266/133,203,799 = 133,203,799/x
  3. Step 3: Cross multiply
    61,221,266x = 133,203,799 × 133,203,799
  4. Step 4: Simplify right side
    61,221,266x = 17,743,252,068,032,400
  5. Step 5: Solve for x
    x = 17,743,252,068,032,400/61,221,266
  6. Step 6: Final answer
    x = 289,821,711.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.