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Finding the Third Proportional to 7,081.17 and 15,433.35

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Solution

The third proportional to 7,081.17 and 15,433.35 is: 33,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.17 : 15,433.35 = 15,433.35 : x
  2. Step 2: Convert to fraction form
    7,081.17/15,433.35 = 15,433.35/x
  3. Step 3: Cross multiply
    7,081.17x = 15,433.35 × 15,433.35
  4. Step 4: Simplify right side
    7,081.17x = 238,188,219.88
  5. Step 5: Solve for x
    x = 238,188,219.88/7,081.17
  6. Step 6: Final answer
    x = 33,636.84

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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.