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Finding the Third Proportional to 9,993,492 and 21,699,351

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Solution

The third proportional to 9,993,492 and 21,699,351 is: 47,116,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993,492 : 21,699,351 = 21,699,351 : x
  2. Step 2: Convert to fraction form
    9,993,492/21,699,351 = 21,699,351/x
  3. Step 3: Cross multiply
    9,993,492x = 21,699,351 × 21,699,351
  4. Step 4: Simplify right side
    9,993,492x = 470,861,833,821,201
  5. Step 5: Solve for x
    x = 470,861,833,821,201/9,993,492
  6. Step 6: Final answer
    x = 47,116,847.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.