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Finding the Third Proportional to 45,276 and 100,920

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Solution

The third proportional to 45,276 and 100,920 is: 224,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276 : 100,920 = 100,920 : x
  2. Step 2: Convert to fraction form
    45,276/100,920 = 100,920/x
  3. Step 3: Cross multiply
    45,276x = 100,920 × 100,920
  4. Step 4: Simplify right side
    45,276x = 10,184,846,400
  5. Step 5: Solve for x
    x = 10,184,846,400/45,276
  6. Step 6: Final answer
    x = 224,950.23

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.