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Finding the Third Proportional to 21,543,611 and 47,141,110

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Solution

The third proportional to 21,543,611 and 47,141,110 is: 103,152,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,611 : 47,141,110 = 47,141,110 : x
  2. Step 2: Convert to fraction form
    21,543,611/47,141,110 = 47,141,110/x
  3. Step 3: Cross multiply
    21,543,611x = 47,141,110 × 47,141,110
  4. Step 4: Simplify right side
    21,543,611x = 2,222,284,252,032,100
  5. Step 5: Solve for x
    x = 2,222,284,252,032,100/21,543,611
  6. Step 6: Final answer
    x = 103,152,821.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.