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Finding the Third Proportional to 7,326 and 16,290

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Solution

The third proportional to 7,326 and 16,290 is: 36,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326 : 16,290 = 16,290 : x
  2. Step 2: Convert to fraction form
    7,326/16,290 = 16,290/x
  3. Step 3: Cross multiply
    7,326x = 16,290 × 16,290
  4. Step 4: Simplify right side
    7,326x = 265,364,100
  5. Step 5: Solve for x
    x = 265,364,100/7,326
  6. Step 6: Final answer
    x = 36,222.24

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.