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Finding the Third Proportional to 7,863,338 and 16,819,919

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Solution

The third proportional to 7,863,338 and 16,819,919 is: 35,978,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,338 : 16,819,919 = 16,819,919 : x
  2. Step 2: Convert to fraction form
    7,863,338/16,819,919 = 16,819,919/x
  3. Step 3: Cross multiply
    7,863,338x = 16,819,919 × 16,819,919
  4. Step 4: Simplify right side
    7,863,338x = 282,909,675,166,561
  5. Step 5: Solve for x
    x = 282,909,675,166,561/7,863,338
  6. Step 6: Final answer
    x = 35,978,318.01

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.