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Finding the Third Proportional to 10,137,213 and 20,993,049

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Solution

The third proportional to 10,137,213 and 20,993,049 is: 43,474,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,213 : 20,993,049 = 20,993,049 : x
  2. Step 2: Convert to fraction form
    10,137,213/20,993,049 = 20,993,049/x
  3. Step 3: Cross multiply
    10,137,213x = 20,993,049 × 20,993,049
  4. Step 4: Simplify right side
    10,137,213x = 440,708,106,316,401
  5. Step 5: Solve for x
    x = 440,708,106,316,401/10,137,213
  6. Step 6: Final answer
    x = 43,474,286.90

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.