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Finding the Third Proportional to 100,302 and 220,287

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Solution

The third proportional to 100,302 and 220,287 is: 483,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,302 : 220,287 = 220,287 : x
  2. Step 2: Convert to fraction form
    100,302/220,287 = 220,287/x
  3. Step 3: Cross multiply
    100,302x = 220,287 × 220,287
  4. Step 4: Simplify right side
    100,302x = 48,526,362,369
  5. Step 5: Solve for x
    x = 48,526,362,369/100,302
  6. Step 6: Final answer
    x = 483,802.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.