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Finding the Third Proportional to 485,755,273.50 and 751,332,998.25

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Solution

The third proportional to 485,755,273.50 and 751,332,998.25 is: 1,162,110,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,755,273.50 : 751,332,998.25 = 751,332,998.25 : x
  2. Step 2: Convert to fraction form
    485,755,273.50/751,332,998.25 = 751,332,998.25/x
  3. Step 3: Cross multiply
    485,755,273.50x = 751,332,998.25 × 751,332,998.25
  4. Step 4: Simplify right side
    485,755,273.50x = 564,501,274,259,334,528
  5. Step 5: Solve for x
    x = 564,501,274,259,334,528/485,755,273.50
  6. Step 6: Final answer
    x = 1,162,110,439.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.