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Finding the Third Proportional to 8,423,632 and 18,192,242

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Solution

The third proportional to 8,423,632 and 18,192,242 is: 39,289,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,632 : 18,192,242 = 18,192,242 : x
  2. Step 2: Convert to fraction form
    8,423,632/18,192,242 = 18,192,242/x
  3. Step 3: Cross multiply
    8,423,632x = 18,192,242 × 18,192,242
  4. Step 4: Simplify right side
    8,423,632x = 330,957,668,986,564
  5. Step 5: Solve for x
    x = 330,957,668,986,564/8,423,632
  6. Step 6: Final answer
    x = 39,289,188.91

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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.