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Finding the Third Proportional to 7,681,779 and 11,893,662

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Solution

The third proportional to 7,681,779 and 11,893,662 is: 18,414,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,779 : 11,893,662 = 11,893,662 : x
  2. Step 2: Convert to fraction form
    7,681,779/11,893,662 = 11,893,662/x
  3. Step 3: Cross multiply
    7,681,779x = 11,893,662 × 11,893,662
  4. Step 4: Simplify right side
    7,681,779x = 141,459,195,770,244
  5. Step 5: Solve for x
    x = 141,459,195,770,244/7,681,779
  6. Step 6: Final answer
    x = 18,414,900.48

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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.