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Finding the Third Proportional to 18,916,168 and 29,350,116

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Solution

The third proportional to 18,916,168 and 29,350,116 is: 45,539,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,168 : 29,350,116 = 29,350,116 : x
  2. Step 2: Convert to fraction form
    18,916,168/29,350,116 = 29,350,116/x
  3. Step 3: Cross multiply
    18,916,168x = 29,350,116 × 29,350,116
  4. Step 4: Simplify right side
    18,916,168x = 861,429,309,213,456
  5. Step 5: Solve for x
    x = 861,429,309,213,456/18,916,168
  6. Step 6: Final answer
    x = 45,539,313.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.