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Finding the Third Proportional to 18,048,942 and 38,975,085

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Solution

The third proportional to 18,048,942 and 38,975,085 is: 84,163,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048,942 : 38,975,085 = 38,975,085 : x
  2. Step 2: Convert to fraction form
    18,048,942/38,975,085 = 38,975,085/x
  3. Step 3: Cross multiply
    18,048,942x = 38,975,085 × 38,975,085
  4. Step 4: Simplify right side
    18,048,942x = 1,519,057,250,757,225
  5. Step 5: Solve for x
    x = 1,519,057,250,757,225/18,048,942
  6. Step 6: Final answer
    x = 84,163,229.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.