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Finding the Third Proportional to 18,418,261 and 40,104,089

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Solution

The third proportional to 18,418,261 and 40,104,089 is: 87,323,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,261 : 40,104,089 = 40,104,089 : x
  2. Step 2: Convert to fraction form
    18,418,261/40,104,089 = 40,104,089/x
  3. Step 3: Cross multiply
    18,418,261x = 40,104,089 × 40,104,089
  4. Step 4: Simplify right side
    18,418,261x = 1,608,337,954,519,921
  5. Step 5: Solve for x
    x = 1,608,337,954,519,921/18,418,261
  6. Step 6: Final answer
    x = 87,323,008.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.