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Finding the Third Proportional to 88,921 and 214,299

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Solution

The third proportional to 88,921 and 214,299 is: 516,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921 : 214,299 = 214,299 : x
  2. Step 2: Convert to fraction form
    88,921/214,299 = 214,299/x
  3. Step 3: Cross multiply
    88,921x = 214,299 × 214,299
  4. Step 4: Simplify right side
    88,921x = 45,924,061,401
  5. Step 5: Solve for x
    x = 45,924,061,401/88,921
  6. Step 6: Final answer
    x = 516,459.12

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.