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Finding the Third Proportional to 36,316 and 54,690

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Solution

The third proportional to 36,316 and 54,690 is: 82,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316 : 54,690 = 54,690 : x
  2. Step 2: Convert to fraction form
    36,316/54,690 = 54,690/x
  3. Step 3: Cross multiply
    36,316x = 54,690 × 54,690
  4. Step 4: Simplify right side
    36,316x = 2,990,996,100
  5. Step 5: Solve for x
    x = 2,990,996,100/36,316
  6. Step 6: Final answer
    x = 82,360.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.