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Finding the Third Proportional to 18,916,170 and 29,350,119

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Solution

The third proportional to 18,916,170 and 29,350,119 is: 45,539,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,170 : 29,350,119 = 29,350,119 : x
  2. Step 2: Convert to fraction form
    18,916,170/29,350,119 = 29,350,119/x
  3. Step 3: Cross multiply
    18,916,170x = 29,350,119 × 29,350,119
  4. Step 4: Simplify right side
    18,916,170x = 861,429,485,314,161
  5. Step 5: Solve for x
    x = 861,429,485,314,161/18,916,170
  6. Step 6: Final answer
    x = 45,539,318.23

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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.