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Finding the Third Proportional to 99,126 and 214,380

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Solution

The third proportional to 99,126 and 214,380 is: 463,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126 : 214,380 = 214,380 : x
  2. Step 2: Convert to fraction form
    99,126/214,380 = 214,380/x
  3. Step 3: Cross multiply
    99,126x = 214,380 × 214,380
  4. Step 4: Simplify right side
    99,126x = 45,958,784,400
  5. Step 5: Solve for x
    x = 45,958,784,400/99,126
  6. Step 6: Final answer
    x = 463,640.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.