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Finding the Third Proportional to 100,260 and 220,360

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Solution

The third proportional to 100,260 and 220,360 is: 484,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,260 : 220,360 = 220,360 : x
  2. Step 2: Convert to fraction form
    100,260/220,360 = 220,360/x
  3. Step 3: Cross multiply
    100,260x = 220,360 × 220,360
  4. Step 4: Simplify right side
    100,260x = 48,558,529,600
  5. Step 5: Solve for x
    x = 48,558,529,600/100,260
  6. Step 6: Final answer
    x = 484,326.05

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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.