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Finding the Third Proportional to 38,992 and 58,836

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Solution

The third proportional to 38,992 and 58,836 is: 88,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992 : 58,836 = 58,836 : x
  2. Step 2: Convert to fraction form
    38,992/58,836 = 58,836/x
  3. Step 3: Cross multiply
    38,992x = 58,836 × 58,836
  4. Step 4: Simplify right side
    38,992x = 3,461,674,896
  5. Step 5: Solve for x
    x = 3,461,674,896/38,992
  6. Step 6: Final answer
    x = 88,779.11

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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.