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Finding the Third Proportional to 36,931 and 57,293

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Solution

The third proportional to 36,931 and 57,293 is: 88,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931 : 57,293 = 57,293 : x
  2. Step 2: Convert to fraction form
    36,931/57,293 = 57,293/x
  3. Step 3: Cross multiply
    36,931x = 57,293 × 57,293
  4. Step 4: Simplify right side
    36,931x = 3,282,487,849
  5. Step 5: Solve for x
    x = 3,282,487,849/36,931
  6. Step 6: Final answer
    x = 88,881.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.