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Finding the Third Proportional to 15,709.36 and 33,878.95

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Solution

The third proportional to 15,709.36 and 33,878.95 is: 73,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.36 : 33,878.95 = 33,878.95 : x
  2. Step 2: Convert to fraction form
    15,709.36/33,878.95 = 33,878.95/x
  3. Step 3: Cross multiply
    15,709.36x = 33,878.95 × 33,878.95
  4. Step 4: Simplify right side
    15,709.36x = 1,147,783,464.85
  5. Step 5: Solve for x
    x = 1,147,783,464.85/15,709.36
  6. Step 6: Final answer
    x = 73,063.67

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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.