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Finding the Third Proportional to 160,991,730 and 251,053,531

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Solution

The third proportional to 160,991,730 and 251,053,531 is: 391,497,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991,730 : 251,053,531 = 251,053,531 : x
  2. Step 2: Convert to fraction form
    160,991,730/251,053,531 = 251,053,531/x
  3. Step 3: Cross multiply
    160,991,730x = 251,053,531 × 251,053,531
  4. Step 4: Simplify right side
    160,991,730x = 63,027,875,427,567,960
  5. Step 5: Solve for x
    x = 63,027,875,427,567,960/160,991,730
  6. Step 6: Final answer
    x = 391,497,596.97

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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.