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Finding the Third Proportional to 15,450.75 and 18,807.19

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Solution

The third proportional to 15,450.75 and 18,807.19 is: 22,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.75 : 18,807.19 = 18,807.19 : x
  2. Step 2: Convert to fraction form
    15,450.75/18,807.19 = 18,807.19/x
  3. Step 3: Cross multiply
    15,450.75x = 18,807.19 × 18,807.19
  4. Step 4: Simplify right side
    15,450.75x = 353,710,301.66
  5. Step 5: Solve for x
    x = 353,710,301.66/15,450.75
  6. Step 6: Final answer
    x = 22,892.76

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.