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Finding the Third Proportional to 16,777.50 and 36,711

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Solution

The third proportional to 16,777.50 and 36,711 is: 80,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.50 : 36,711 = 36,711 : x
  2. Step 2: Convert to fraction form
    16,777.50/36,711 = 36,711/x
  3. Step 3: Cross multiply
    16,777.50x = 36,711 × 36,711
  4. Step 4: Simplify right side
    16,777.50x = 1,347,697,521
  5. Step 5: Solve for x
    x = 1,347,697,521/16,777.50
  6. Step 6: Final answer
    x = 80,327.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.