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Finding the Third Proportional to 160,991,738 and 251,053,543

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Solution

The third proportional to 160,991,738 and 251,053,543 is: 391,497,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,738 : 251,053,543 = 251,053,543 : x
  2. Step 2: Convert to fraction form
    160,991,738/251,053,543 = 251,053,543/x
  3. Step 3: Cross multiply
    160,991,738x = 251,053,543 × 251,053,543
  4. Step 4: Simplify right side
    160,991,738x = 63,027,881,452,852,848
  5. Step 5: Solve for x
    x = 63,027,881,452,852,848/160,991,738
  6. Step 6: Final answer
    x = 391,497,614.95

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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.