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Finding the Third Proportional to 18,397,604 and 38,701,800

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Solution

The third proportional to 18,397,604 and 38,701,800 is: 81,414,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,604 : 38,701,800 = 38,701,800 : x
  2. Step 2: Convert to fraction form
    18,397,604/38,701,800 = 38,701,800/x
  3. Step 3: Cross multiply
    18,397,604x = 38,701,800 × 38,701,800
  4. Step 4: Simplify right side
    18,397,604x = 1,497,829,323,240,000
  5. Step 5: Solve for x
    x = 1,497,829,323,240,000/18,397,604
  6. Step 6: Final answer
    x = 81,414,369.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.