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Finding the Third Proportional to 61,221,454 and 133,204,116

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Solution

The third proportional to 61,221,454 and 133,204,116 is: 289,822,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221,454 : 133,204,116 = 133,204,116 : x
  2. Step 2: Convert to fraction form
    61,221,454/133,204,116 = 133,204,116/x
  3. Step 3: Cross multiply
    61,221,454x = 133,204,116 × 133,204,116
  4. Step 4: Simplify right side
    61,221,454x = 17,743,336,519,341,456
  5. Step 5: Solve for x
    x = 17,743,336,519,341,456/61,221,454
  6. Step 6: Final answer
    x = 289,822,200.55

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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.