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Finding the Third Proportional to 97,665.50 and 207,321

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Solution

The third proportional to 97,665.50 and 207,321 is: 440,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665.50 : 207,321 = 207,321 : x
  2. Step 2: Convert to fraction form
    97,665.50/207,321 = 207,321/x
  3. Step 3: Cross multiply
    97,665.50x = 207,321 × 207,321
  4. Step 4: Simplify right side
    97,665.50x = 42,981,997,041
  5. Step 5: Solve for x
    x = 42,981,997,041/97,665.50
  6. Step 6: Final answer
    x = 440,093.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.