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Finding the Third Proportional to 68,905,401 and 150,328,858.50

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Solution

The third proportional to 68,905,401 and 150,328,858.50 is: 327,967,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905,401 : 150,328,858.50 = 150,328,858.50 : x
  2. Step 2: Convert to fraction form
    68,905,401/150,328,858.50 = 150,328,858.50/x
  3. Step 3: Cross multiply
    68,905,401x = 150,328,858.50 × 150,328,858.50
  4. Step 4: Simplify right side
    68,905,401x = 22,598,765,697,913,024
  5. Step 5: Solve for x
    x = 22,598,765,697,913,024/68,905,401
  6. Step 6: Final answer
    x = 327,967,987.56

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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.