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Finding the Third Proportional to 18,023,902.31 and 27,926,425.69

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Solution

The third proportional to 18,023,902.31 and 27,926,425.69 is: 43,269,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023,902.31 : 27,926,425.69 = 27,926,425.69 : x
  2. Step 2: Convert to fraction form
    18,023,902.31/27,926,425.69 = 27,926,425.69/x
  3. Step 3: Cross multiply
    18,023,902.31x = 27,926,425.69 × 27,926,425.69
  4. Step 4: Simplify right side
    18,023,902.31x = 779,885,251,679,459.88
  5. Step 5: Solve for x
    x = 779,885,251,679,459.88/18,023,902.31
  6. Step 6: Final answer
    x = 43,269,500.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.