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Finding the Third Proportional to 18,072,401 and 39,732,021

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Solution

The third proportional to 18,072,401 and 39,732,021 is: 87,350,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072,401 : 39,732,021 = 39,732,021 : x
  2. Step 2: Convert to fraction form
    18,072,401/39,732,021 = 39,732,021/x
  3. Step 3: Cross multiply
    18,072,401x = 39,732,021 × 39,732,021
  4. Step 4: Simplify right side
    18,072,401x = 1,578,633,492,744,441
  5. Step 5: Solve for x
    x = 1,578,633,492,744,441/18,072,401
  6. Step 6: Final answer
    x = 87,350,512.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.