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Finding the Third Proportional to 66,867,825 and 92,396,253

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Solution

The third proportional to 66,867,825 and 92,396,253 is: 127,670,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867,825 : 92,396,253 = 92,396,253 : x
  2. Step 2: Convert to fraction form
    66,867,825/92,396,253 = 92,396,253/x
  3. Step 3: Cross multiply
    66,867,825x = 92,396,253 × 92,396,253
  4. Step 4: Simplify right side
    66,867,825x = 8,537,067,568,440,009
  5. Step 5: Solve for x
    x = 8,537,067,568,440,009/66,867,825
  6. Step 6: Final answer
    x = 127,670,782.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.