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Finding the Third Proportional to 18,238 and 28,842

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Solution

The third proportional to 18,238 and 28,842 is: 45,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238 : 28,842 = 28,842 : x
  2. Step 2: Convert to fraction form
    18,238/28,842 = 28,842/x
  3. Step 3: Cross multiply
    18,238x = 28,842 × 28,842
  4. Step 4: Simplify right side
    18,238x = 831,860,964
  5. Step 5: Solve for x
    x = 831,860,964/18,238
  6. Step 6: Final answer
    x = 45,611.41

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.