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Finding the Third Proportional to 505,328.75 and 739,183

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Solution

The third proportional to 505,328.75 and 739,183 is: 1,081,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,328.75 : 739,183 = 739,183 : x
  2. Step 2: Convert to fraction form
    505,328.75/739,183 = 739,183/x
  3. Step 3: Cross multiply
    505,328.75x = 739,183 × 739,183
  4. Step 4: Simplify right side
    505,328.75x = 546,391,507,489
  5. Step 5: Solve for x
    x = 546,391,507,489/505,328.75
  6. Step 6: Final answer
    x = 1,081,259.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.