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Finding the Third Proportional to 160,991,722 and 251,053,511

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Solution

The third proportional to 160,991,722 and 251,053,511 is: 391,497,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,722 : 251,053,511 = 251,053,511 : x
  2. Step 2: Convert to fraction form
    160,991,722/251,053,511 = 251,053,511/x
  3. Step 3: Cross multiply
    160,991,722x = 251,053,511 × 251,053,511
  4. Step 4: Simplify right side
    160,991,722x = 63,027,865,385,427,120
  5. Step 5: Solve for x
    x = 63,027,865,385,427,120/160,991,722
  6. Step 6: Final answer
    x = 391,497,554.05

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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.