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Finding the Third Proportional to 10,861,821 and 14,962,275

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Solution

The third proportional to 10,861,821 and 14,962,275 is: 20,610,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,821 : 14,962,275 = 14,962,275 : x
  2. Step 2: Convert to fraction form
    10,861,821/14,962,275 = 14,962,275/x
  3. Step 3: Cross multiply
    10,861,821x = 14,962,275 × 14,962,275
  4. Step 4: Simplify right side
    10,861,821x = 223,869,673,175,625
  5. Step 5: Solve for x
    x = 223,869,673,175,625/10,861,821
  6. Step 6: Final answer
    x = 20,610,694.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.