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Finding the Third Proportional to 368,185.50 and 540,138.38

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Solution

The third proportional to 368,185.50 and 540,138.38 is: 792,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,185.50 : 540,138.38 = 540,138.38 : x
  2. Step 2: Convert to fraction form
    368,185.50/540,138.38 = 540,138.38/x
  3. Step 3: Cross multiply
    368,185.50x = 540,138.38 × 540,138.38
  4. Step 4: Simplify right side
    368,185.50x = 291,749,464,147.64
  5. Step 5: Solve for x
    x = 291,749,464,147.64/368,185.50
  6. Step 6: Final answer
    x = 792,398.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.