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Finding the Third Proportional to 18,828.75 and 40,575.75

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Solution

The third proportional to 18,828.75 and 40,575.75 is: 87,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.75 : 40,575.75 = 40,575.75 : x
  2. Step 2: Convert to fraction form
    18,828.75/40,575.75 = 40,575.75/x
  3. Step 3: Cross multiply
    18,828.75x = 40,575.75 × 40,575.75
  4. Step 4: Simplify right side
    18,828.75x = 1,646,391,488.06
  5. Step 5: Solve for x
    x = 1,646,391,488.06/18,828.75
  6. Step 6: Final answer
    x = 87,440.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.