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Finding the Third Proportional to 102,346.50 and 220,974

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Solution

The third proportional to 102,346.50 and 220,974 is: 477,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,346.50 : 220,974 = 220,974 : x
  2. Step 2: Convert to fraction form
    102,346.50/220,974 = 220,974/x
  3. Step 3: Cross multiply
    102,346.50x = 220,974 × 220,974
  4. Step 4: Simplify right side
    102,346.50x = 48,829,508,676
  5. Step 5: Solve for x
    x = 48,829,508,676/102,346.50
  6. Step 6: Final answer
    x = 477,099.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.