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Finding the Third Proportional to 191,835,059 and 421,933,870

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Solution

The third proportional to 191,835,059 and 421,933,870 is: 928,027,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,835,059 : 421,933,870 = 421,933,870 : x
  2. Step 2: Convert to fraction form
    191,835,059/421,933,870 = 421,933,870/x
  3. Step 3: Cross multiply
    191,835,059x = 421,933,870 × 421,933,870
  4. Step 4: Simplify right side
    191,835,059x = 178,028,190,653,176,896
  5. Step 5: Solve for x
    x = 178,028,190,653,176,896/191,835,059
  6. Step 6: Final answer
    x = 928,027,398.02

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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.