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Finding the Third Proportional to 92,610 and 140,211

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Solution

The third proportional to 92,610 and 140,211 is: 212,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,610 : 140,211 = 140,211 : x
  2. Step 2: Convert to fraction form
    92,610/140,211 = 140,211/x
  3. Step 3: Cross multiply
    92,610x = 140,211 × 140,211
  4. Step 4: Simplify right side
    92,610x = 19,659,124,521
  5. Step 5: Solve for x
    x = 19,659,124,521/92,610
  6. Step 6: Final answer
    x = 212,278.64

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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.