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Finding the Third Proportional to 19,985,427 and 43,002,036

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Solution

The third proportional to 19,985,427 and 43,002,036 is: 92,526,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985,427 : 43,002,036 = 43,002,036 : x
  2. Step 2: Convert to fraction form
    19,985,427/43,002,036 = 43,002,036/x
  3. Step 3: Cross multiply
    19,985,427x = 43,002,036 × 43,002,036
  4. Step 4: Simplify right side
    19,985,427x = 1,849,175,100,145,296
  5. Step 5: Solve for x
    x = 1,849,175,100,145,296/19,985,427
  6. Step 6: Final answer
    x = 92,526,174.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.