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Finding the Third Proportional to 92,910 and 140,235

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Solution

The third proportional to 92,910 and 140,235 is: 211,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,910 : 140,235 = 140,235 : x
  2. Step 2: Convert to fraction form
    92,910/140,235 = 140,235/x
  3. Step 3: Cross multiply
    92,910x = 140,235 × 140,235
  4. Step 4: Simplify right side
    92,910x = 19,665,855,225
  5. Step 5: Solve for x
    x = 19,665,855,225/92,910
  6. Step 6: Final answer
    x = 211,665.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.