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Finding the Third Proportional to 40,312 and 60,186

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Solution

The third proportional to 40,312 and 60,186 is: 89,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312 : 60,186 = 60,186 : x
  2. Step 2: Convert to fraction form
    40,312/60,186 = 60,186/x
  3. Step 3: Cross multiply
    40,312x = 60,186 × 60,186
  4. Step 4: Simplify right side
    40,312x = 3,622,354,596
  5. Step 5: Solve for x
    x = 3,622,354,596/40,312
  6. Step 6: Final answer
    x = 89,857.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.