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Finding the Third Proportional to 68,905,399 and 150,328,856

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Solution

The third proportional to 68,905,399 and 150,328,856 is: 327,967,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,399 : 150,328,856 = 150,328,856 : x
  2. Step 2: Convert to fraction form
    68,905,399/150,328,856 = 150,328,856/x
  3. Step 3: Cross multiply
    68,905,399x = 150,328,856 × 150,328,856
  4. Step 4: Simplify right side
    68,905,399x = 22,598,764,946,268,736
  5. Step 5: Solve for x
    x = 22,598,764,946,268,736/68,905,399
  6. Step 6: Final answer
    x = 327,967,986.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.