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Finding the Third Proportional to 9,889,136 and 20,536,188

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Solution

The third proportional to 9,889,136 and 20,536,188 is: 42,646,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,136 : 20,536,188 = 20,536,188 : x
  2. Step 2: Convert to fraction form
    9,889,136/20,536,188 = 20,536,188/x
  3. Step 3: Cross multiply
    9,889,136x = 20,536,188 × 20,536,188
  4. Step 4: Simplify right side
    9,889,136x = 421,735,017,571,344
  5. Step 5: Solve for x
    x = 421,735,017,571,344/9,889,136
  6. Step 6: Final answer
    x = 42,646,295.65

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.