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Finding the Third Proportional to 28,738.50 and 44,610

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Solution

The third proportional to 28,738.50 and 44,610 is: 69,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.50 : 44,610 = 44,610 : x
  2. Step 2: Convert to fraction form
    28,738.50/44,610 = 44,610/x
  3. Step 3: Cross multiply
    28,738.50x = 44,610 × 44,610
  4. Step 4: Simplify right side
    28,738.50x = 1,990,052,100
  5. Step 5: Solve for x
    x = 1,990,052,100/28,738.50
  6. Step 6: Final answer
    x = 69,246.90

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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.