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Finding the Third Proportional to 9,819 and 16,287.75

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Solution

The third proportional to 9,819 and 16,287.75 is: 27,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819 : 16,287.75 = 16,287.75 : x
  2. Step 2: Convert to fraction form
    9,819/16,287.75 = 16,287.75/x
  3. Step 3: Cross multiply
    9,819x = 16,287.75 × 16,287.75
  4. Step 4: Simplify right side
    9,819x = 265,290,800.06
  5. Step 5: Solve for x
    x = 265,290,800.06/9,819
  6. Step 6: Final answer
    x = 27,018.11

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.