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Finding the Third Proportional to 4,558 and 9,455

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Solution

The third proportional to 4,558 and 9,455 is: 19,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558 : 9,455 = 9,455 : x
  2. Step 2: Convert to fraction form
    4,558/9,455 = 9,455/x
  3. Step 3: Cross multiply
    4,558x = 9,455 × 9,455
  4. Step 4: Simplify right side
    4,558x = 89,397,025
  5. Step 5: Solve for x
    x = 89,397,025/4,558
  6. Step 6: Final answer
    x = 19,613.21

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.