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Finding the Third Proportional to 68,679,058 and 145,545,380

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Solution

The third proportional to 68,679,058 and 145,545,380 is: 308,441,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679,058 : 145,545,380 = 145,545,380 : x
  2. Step 2: Convert to fraction form
    68,679,058/145,545,380 = 145,545,380/x
  3. Step 3: Cross multiply
    68,679,058x = 145,545,380 × 145,545,380
  4. Step 4: Simplify right side
    68,679,058x = 21,183,457,639,344,400
  5. Step 5: Solve for x
    x = 21,183,457,639,344,400/68,679,058
  6. Step 6: Final answer
    x = 308,441,295.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.