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Finding the Third Proportional to 26,931 and 58,992

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Solution

The third proportional to 26,931 and 58,992 is: 129,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931 : 58,992 = 58,992 : x
  2. Step 2: Convert to fraction form
    26,931/58,992 = 58,992/x
  3. Step 3: Cross multiply
    26,931x = 58,992 × 58,992
  4. Step 4: Simplify right side
    26,931x = 3,480,056,064
  5. Step 5: Solve for x
    x = 3,480,056,064/26,931
  6. Step 6: Final answer
    x = 129,221.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.