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Finding the Third Proportional to 28,999 and 43,485

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Solution

The third proportional to 28,999 and 43,485 is: 65,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999 : 43,485 = 43,485 : x
  2. Step 2: Convert to fraction form
    28,999/43,485 = 43,485/x
  3. Step 3: Cross multiply
    28,999x = 43,485 × 43,485
  4. Step 4: Simplify right side
    28,999x = 1,890,945,225
  5. Step 5: Solve for x
    x = 1,890,945,225/28,999
  6. Step 6: Final answer
    x = 65,207.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.