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Finding the Third Proportional to 21,215,704 and 45,812,024

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Solution

The third proportional to 21,215,704 and 45,812,024 is: 98,923,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,215,704 : 45,812,024 = 45,812,024 : x
  2. Step 2: Convert to fraction form
    21,215,704/45,812,024 = 45,812,024/x
  3. Step 3: Cross multiply
    21,215,704x = 45,812,024 × 45,812,024
  4. Step 4: Simplify right side
    21,215,704x = 2,098,741,542,976,576
  5. Step 5: Solve for x
    x = 2,098,741,542,976,576/21,215,704
  6. Step 6: Final answer
    x = 98,923,964.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.