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Finding the Third Proportional to 4,550.63 and 9,489.94

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Solution

The third proportional to 4,550.63 and 9,489.94 is: 19,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.63 : 9,489.94 = 9,489.94 : x
  2. Step 2: Convert to fraction form
    4,550.63/9,489.94 = 9,489.94/x
  3. Step 3: Cross multiply
    4,550.63x = 9,489.94 × 9,489.94
  4. Step 4: Simplify right side
    4,550.63x = 90,058,913.75
  5. Step 5: Solve for x
    x = 90,058,913.75/4,550.63
  6. Step 6: Final answer
    x = 19,790.45

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.