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Finding the Third Proportional to 8,821,462 and 18,713,582

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Solution

The third proportional to 8,821,462 and 18,713,582 is: 39,698,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,462 : 18,713,582 = 18,713,582 : x
  2. Step 2: Convert to fraction form
    8,821,462/18,713,582 = 18,713,582/x
  3. Step 3: Cross multiply
    8,821,462x = 18,713,582 × 18,713,582
  4. Step 4: Simplify right side
    8,821,462x = 350,198,151,270,724
  5. Step 5: Solve for x
    x = 350,198,151,270,724/8,821,462
  6. Step 6: Final answer
    x = 39,698,425.42

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.