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Finding the Third Proportional to 4,458 and 9,036

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Solution

The third proportional to 4,458 and 9,036 is: 18,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458 : 9,036 = 9,036 : x
  2. Step 2: Convert to fraction form
    4,458/9,036 = 9,036/x
  3. Step 3: Cross multiply
    4,458x = 9,036 × 9,036
  4. Step 4: Simplify right side
    4,458x = 81,649,296
  5. Step 5: Solve for x
    x = 81,649,296/4,458
  6. Step 6: Final answer
    x = 18,315.23

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.