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Finding the Third Proportional to 18,611,934 and 40,897,826

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Solution

The third proportional to 18,611,934 and 40,897,826 is: 89,868,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611,934 : 40,897,826 = 40,897,826 : x
  2. Step 2: Convert to fraction form
    18,611,934/40,897,826 = 40,897,826/x
  3. Step 3: Cross multiply
    18,611,934x = 40,897,826 × 40,897,826
  4. Step 4: Simplify right side
    18,611,934x = 1,672,632,171,526,276
  5. Step 5: Solve for x
    x = 1,672,632,171,526,276/18,611,934
  6. Step 6: Final answer
    x = 89,868,799.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.