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Finding the Third Proportional to 95,415 and 140,205

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Solution

The third proportional to 95,415 and 140,205 is: 206,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,415 : 140,205 = 140,205 : x
  2. Step 2: Convert to fraction form
    95,415/140,205 = 140,205/x
  3. Step 3: Cross multiply
    95,415x = 140,205 × 140,205
  4. Step 4: Simplify right side
    95,415x = 19,657,442,025
  5. Step 5: Solve for x
    x = 19,657,442,025/95,415
  6. Step 6: Final answer
    x = 206,020.46

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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.