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Finding the Third Proportional to 160,991,656 and 251,053,422

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Solution

The third proportional to 160,991,656 and 251,053,422 is: 391,497,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,656 : 251,053,422 = 251,053,422 : x
  2. Step 2: Convert to fraction form
    160,991,656/251,053,422 = 251,053,422/x
  3. Step 3: Cross multiply
    160,991,656x = 251,053,422 × 251,053,422
  4. Step 4: Simplify right side
    160,991,656x = 63,027,820,697,910,080
  5. Step 5: Solve for x
    x = 63,027,820,697,910,080/160,991,656
  6. Step 6: Final answer
    x = 391,497,436.97

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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.