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Finding the Third Proportional to 221,679 and 459,122

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Solution

The third proportional to 221,679 and 459,122 is: 950,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,679 : 459,122 = 459,122 : x
  2. Step 2: Convert to fraction form
    221,679/459,122 = 459,122/x
  3. Step 3: Cross multiply
    221,679x = 459,122 × 459,122
  4. Step 4: Simplify right side
    221,679x = 210,793,010,884
  5. Step 5: Solve for x
    x = 210,793,010,884/221,679
  6. Step 6: Final answer
    x = 950,893.01

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.