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Finding the Third Proportional to 18,231,795 and 39,490,400.25

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Solution

The third proportional to 18,231,795 and 39,490,400.25 is: 85,536,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,795 : 39,490,400.25 = 39,490,400.25 : x
  2. Step 2: Convert to fraction form
    18,231,795/39,490,400.25 = 39,490,400.25/x
  3. Step 3: Cross multiply
    18,231,795x = 39,490,400.25 × 39,490,400.25
  4. Step 4: Simplify right side
    18,231,795x = 1,559,491,711,905,200
  5. Step 5: Solve for x
    x = 1,559,491,711,905,200/18,231,795
  6. Step 6: Final answer
    x = 85,536,926.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.