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Finding the Third Proportional to 11,888,646 and 18,893,691

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Solution

The third proportional to 11,888,646 and 18,893,691 is: 30,026,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888,646 : 18,893,691 = 18,893,691 : x
  2. Step 2: Convert to fraction form
    11,888,646/18,893,691 = 18,893,691/x
  3. Step 3: Cross multiply
    11,888,646x = 18,893,691 × 18,893,691
  4. Step 4: Simplify right side
    11,888,646x = 356,971,559,603,481
  5. Step 5: Solve for x
    x = 356,971,559,603,481/11,888,646
  6. Step 6: Final answer
    x = 30,026,258.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.