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Finding the Third Proportional to 214,300 and 458,125

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Solution

The third proportional to 214,300 and 458,125 is: 979,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,300 : 458,125 = 458,125 : x
  2. Step 2: Convert to fraction form
    214,300/458,125 = 458,125/x
  3. Step 3: Cross multiply
    214,300x = 458,125 × 458,125
  4. Step 4: Simplify right side
    214,300x = 209,878,515,625
  5. Step 5: Solve for x
    x = 209,878,515,625/214,300
  6. Step 6: Final answer
    x = 979,367.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.