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Finding the Third Proportional to 160,991,796 and 251,053,622

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Solution

The third proportional to 160,991,796 and 251,053,622 is: 391,497,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,796 : 251,053,622 = 251,053,622 : x
  2. Step 2: Convert to fraction form
    160,991,796/251,053,622 = 251,053,622/x
  3. Step 3: Cross multiply
    160,991,796x = 251,053,622 × 251,053,622
  4. Step 4: Simplify right side
    160,991,796x = 63,027,921,119,318,880
  5. Step 5: Solve for x
    x = 63,027,921,119,318,880/160,991,796
  6. Step 6: Final answer
    x = 391,497,720.29

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.