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Finding the Third Proportional to 57,420,869.50 and 126,001,968.50

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Solution

The third proportional to 57,420,869.50 and 126,001,968.50 is: 276,493,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420,869.50 : 126,001,968.50 = 126,001,968.50 : x
  2. Step 2: Convert to fraction form
    57,420,869.50/126,001,968.50 = 126,001,968.50/x
  3. Step 3: Cross multiply
    57,420,869.50x = 126,001,968.50 × 126,001,968.50
  4. Step 4: Simplify right side
    57,420,869.50x = 15,876,496,065,874,992
  5. Step 5: Solve for x
    x = 15,876,496,065,874,992/57,420,869.50
  6. Step 6: Final answer
    x = 276,493,480.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.