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Finding the Third Proportional to 102,313.50 and 223,211

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Solution

The third proportional to 102,313.50 and 223,211 is: 486,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,313.50 : 223,211 = 223,211 : x
  2. Step 2: Convert to fraction form
    102,313.50/223,211 = 223,211/x
  3. Step 3: Cross multiply
    102,313.50x = 223,211 × 223,211
  4. Step 4: Simplify right side
    102,313.50x = 49,823,150,521
  5. Step 5: Solve for x
    x = 49,823,150,521/102,313.50
  6. Step 6: Final answer
    x = 486,965.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.