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Finding the Third Proportional to 9,296,409 and 20,136,510

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Solution

The third proportional to 9,296,409 and 20,136,510 is: 43,616,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296,409 : 20,136,510 = 20,136,510 : x
  2. Step 2: Convert to fraction form
    9,296,409/20,136,510 = 20,136,510/x
  3. Step 3: Cross multiply
    9,296,409x = 20,136,510 × 20,136,510
  4. Step 4: Simplify right side
    9,296,409x = 405,479,034,980,100
  5. Step 5: Solve for x
    x = 405,479,034,980,100/9,296,409
  6. Step 6: Final answer
    x = 43,616,737.92

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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.