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Finding the Third Proportional to 9,487,188 and 20,863,611

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Solution

The third proportional to 9,487,188 and 20,863,611 is: 45,881,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,188 : 20,863,611 = 20,863,611 : x
  2. Step 2: Convert to fraction form
    9,487,188/20,863,611 = 20,863,611/x
  3. Step 3: Cross multiply
    9,487,188x = 20,863,611 × 20,863,611
  4. Step 4: Simplify right side
    9,487,188x = 435,290,263,959,321
  5. Step 5: Solve for x
    x = 435,290,263,959,321/9,487,188
  6. Step 6: Final answer
    x = 45,881,905.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.