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Finding the Third Proportional to 101,242 and 221,552

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Solution

The third proportional to 101,242 and 221,552 is: 484,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,242 : 221,552 = 221,552 : x
  2. Step 2: Convert to fraction form
    101,242/221,552 = 221,552/x
  3. Step 3: Cross multiply
    101,242x = 221,552 × 221,552
  4. Step 4: Simplify right side
    101,242x = 49,085,288,704
  5. Step 5: Solve for x
    x = 49,085,288,704/101,242
  6. Step 6: Final answer
    x = 484,831.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.