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Finding the Third Proportional to 36,318 and 56,119

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Solution

The third proportional to 36,318 and 56,119 is: 86,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318 : 56,119 = 56,119 : x
  2. Step 2: Convert to fraction form
    36,318/56,119 = 56,119/x
  3. Step 3: Cross multiply
    36,318x = 56,119 × 56,119
  4. Step 4: Simplify right side
    36,318x = 3,149,342,161
  5. Step 5: Solve for x
    x = 3,149,342,161/36,318
  6. Step 6: Final answer
    x = 86,715.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.