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Finding the Third Proportional to 18,611,948 and 40,897,850

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Solution

The third proportional to 18,611,948 and 40,897,850 is: 89,868,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611,948 : 40,897,850 = 40,897,850 : x
  2. Step 2: Convert to fraction form
    18,611,948/40,897,850 = 40,897,850/x
  3. Step 3: Cross multiply
    18,611,948x = 40,897,850 × 40,897,850
  4. Step 4: Simplify right side
    18,611,948x = 1,672,634,134,622,500
  5. Step 5: Solve for x
    x = 1,672,634,134,622,500/18,611,948
  6. Step 6: Final answer
    x = 89,868,837.73

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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.