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Finding the Third Proportional to 140,980 and 207,576

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Solution

The third proportional to 140,980 and 207,576 is: 305,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,980 : 207,576 = 207,576 : x
  2. Step 2: Convert to fraction form
    140,980/207,576 = 207,576/x
  3. Step 3: Cross multiply
    140,980x = 207,576 × 207,576
  4. Step 4: Simplify right side
    140,980x = 43,087,795,776
  5. Step 5: Solve for x
    x = 43,087,795,776/140,980
  6. Step 6: Final answer
    x = 305,630.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.