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Finding the Third Proportional to 15,416.63 and 33,135

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Solution

The third proportional to 15,416.63 and 33,135 is: 71,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.63 : 33,135 = 33,135 : x
  2. Step 2: Convert to fraction form
    15,416.63/33,135 = 33,135/x
  3. Step 3: Cross multiply
    15,416.63x = 33,135 × 33,135
  4. Step 4: Simplify right side
    15,416.63x = 1,097,928,225
  5. Step 5: Solve for x
    x = 1,097,928,225/15,416.63
  6. Step 6: Final answer
    x = 71,217.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.