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Finding the Third Proportional to 18,827,476 and 40,640,936

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Solution

The third proportional to 18,827,476 and 40,640,936 is: 87,727,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827,476 : 40,640,936 = 40,640,936 : x
  2. Step 2: Convert to fraction form
    18,827,476/40,640,936 = 40,640,936/x
  3. Step 3: Cross multiply
    18,827,476x = 40,640,936 × 40,640,936
  4. Step 4: Simplify right side
    18,827,476x = 1,651,685,678,956,096
  5. Step 5: Solve for x
    x = 1,651,685,678,956,096/18,827,476
  6. Step 6: Final answer
    x = 87,727,408.55

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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.