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Finding the Third Proportional to 238,485.75 and 505,393.50

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Solution

The third proportional to 238,485.75 and 505,393.50 is: 1,071,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,485.75 : 505,393.50 = 505,393.50 : x
  2. Step 2: Convert to fraction form
    238,485.75/505,393.50 = 505,393.50/x
  3. Step 3: Cross multiply
    238,485.75x = 505,393.50 × 505,393.50
  4. Step 4: Simplify right side
    238,485.75x = 255,422,589,842.25
  5. Step 5: Solve for x
    x = 255,422,589,842.25/238,485.75
  6. Step 6: Final answer
    x = 1,071,018.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.