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Finding the Third Proportional to 57,728,067.19 and 124,479,559.69

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Solution

The third proportional to 57,728,067.19 and 124,479,559.69 is: 268,416,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728,067.19 : 124,479,559.69 = 124,479,559.69 : x
  2. Step 2: Convert to fraction form
    57,728,067.19/124,479,559.69 = 124,479,559.69/x
  3. Step 3: Cross multiply
    57,728,067.19x = 124,479,559.69 × 124,479,559.69
  4. Step 4: Simplify right side
    57,728,067.19x = 15,495,160,779,993,876
  5. Step 5: Solve for x
    x = 15,495,160,779,993,876/57,728,067.19
  6. Step 6: Final answer
    x = 268,416,413.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.