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Finding the Third Proportional to 160,991,736 and 251,053,540

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Solution

The third proportional to 160,991,736 and 251,053,540 is: 391,497,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,736 : 251,053,540 = 251,053,540 : x
  2. Step 2: Convert to fraction form
    160,991,736/251,053,540 = 251,053,540/x
  3. Step 3: Cross multiply
    160,991,736x = 251,053,540 × 251,053,540
  4. Step 4: Simplify right side
    160,991,736x = 63,027,879,946,531,600
  5. Step 5: Solve for x
    x = 63,027,879,946,531,600/160,991,736
  6. Step 6: Final answer
    x = 391,497,610.45

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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.