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Finding the Third Proportional to 68,285,040 and 150,190,332

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Solution

The third proportional to 68,285,040 and 150,190,332 is: 330,337,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285,040 : 150,190,332 = 150,190,332 : x
  2. Step 2: Convert to fraction form
    68,285,040/150,190,332 = 150,190,332/x
  3. Step 3: Cross multiply
    68,285,040x = 150,190,332 × 150,190,332
  4. Step 4: Simplify right side
    68,285,040x = 22,557,135,826,270,224
  5. Step 5: Solve for x
    x = 22,557,135,826,270,224/68,285,040
  6. Step 6: Final answer
    x = 330,337,886.98

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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.