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Finding the Third Proportional to 36,693 and 78,329.53

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Solution

The third proportional to 36,693 and 78,329.53 is: 167,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693 : 78,329.53 = 78,329.53 : x
  2. Step 2: Convert to fraction form
    36,693/78,329.53 = 78,329.53/x
  3. Step 3: Cross multiply
    36,693x = 78,329.53 × 78,329.53
  4. Step 4: Simplify right side
    36,693x = 6,135,515,465.84
  5. Step 5: Solve for x
    x = 6,135,515,465.84/36,693
  6. Step 6: Final answer
    x = 167,212.15

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.