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Finding the Third Proportional to 3,786,531 and 8,330,070

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Solution

The third proportional to 3,786,531 and 8,330,070 is: 18,325,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,531 : 8,330,070 = 8,330,070 : x
  2. Step 2: Convert to fraction form
    3,786,531/8,330,070 = 8,330,070/x
  3. Step 3: Cross multiply
    3,786,531x = 8,330,070 × 8,330,070
  4. Step 4: Simplify right side
    3,786,531x = 69,390,066,204,900
  5. Step 5: Solve for x
    x = 69,390,066,204,900/3,786,531
  6. Step 6: Final answer
    x = 18,325,497.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.