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Finding the Third Proportional to 18,632,616 and 40,719,612

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Solution

The third proportional to 18,632,616 and 40,719,612 is: 88,988,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632,616 : 40,719,612 = 40,719,612 : x
  2. Step 2: Convert to fraction form
    18,632,616/40,719,612 = 40,719,612/x
  3. Step 3: Cross multiply
    18,632,616x = 40,719,612 × 40,719,612
  4. Step 4: Simplify right side
    18,632,616x = 1,658,086,801,430,544
  5. Step 5: Solve for x
    x = 1,658,086,801,430,544/18,632,616
  6. Step 6: Final answer
    x = 88,988,406.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.