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Finding the Third Proportional to 9,490,003 and 20,421,792

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Solution

The third proportional to 9,490,003 and 20,421,792 is: 43,946,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490,003 : 20,421,792 = 20,421,792 : x
  2. Step 2: Convert to fraction form
    9,490,003/20,421,792 = 20,421,792/x
  3. Step 3: Cross multiply
    9,490,003x = 20,421,792 × 20,421,792
  4. Step 4: Simplify right side
    9,490,003x = 417,049,588,491,264
  5. Step 5: Solve for x
    x = 417,049,588,491,264/9,490,003
  6. Step 6: Final answer
    x = 43,946,201.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.