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Finding the Third Proportional to 18,229 and 28,558

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Solution

The third proportional to 18,229 and 28,558 is: 44,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229 : 28,558 = 28,558 : x
  2. Step 2: Convert to fraction form
    18,229/28,558 = 28,558/x
  3. Step 3: Cross multiply
    18,229x = 28,558 × 28,558
  4. Step 4: Simplify right side
    18,229x = 815,559,364
  5. Step 5: Solve for x
    x = 815,559,364/18,229
  6. Step 6: Final answer
    x = 44,739.67

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.