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Finding the Third Proportional to 69,902,439.75 and 104,853,669.75

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Solution

The third proportional to 69,902,439.75 and 104,853,669.75 is: 157,280,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,902,439.75 : 104,853,669.75 = 104,853,669.75 : x
  2. Step 2: Convert to fraction form
    69,902,439.75/104,853,669.75 = 104,853,669.75/x
  3. Step 3: Cross multiply
    69,902,439.75x = 104,853,669.75 × 104,853,669.75
  4. Step 4: Simplify right side
    69,902,439.75x = 10,994,292,060,042,066
  5. Step 5: Solve for x
    x = 10,994,292,060,042,066/69,902,439.75
  6. Step 6: Final answer
    x = 157,280,519.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.