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Finding the Third Proportional to 18,273,872 and 40,632,615

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Solution

The third proportional to 18,273,872 and 40,632,615 is: 90,348,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273,872 : 40,632,615 = 40,632,615 : x
  2. Step 2: Convert to fraction form
    18,273,872/40,632,615 = 40,632,615/x
  3. Step 3: Cross multiply
    18,273,872x = 40,632,615 × 40,632,615
  4. Step 4: Simplify right side
    18,273,872x = 1,651,009,401,738,225
  5. Step 5: Solve for x
    x = 1,651,009,401,738,225/18,273,872
  6. Step 6: Final answer
    x = 90,348,088.34

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.