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Finding the Third Proportional to 262,474.75 and 542,445.50

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Solution

The third proportional to 262,474.75 and 542,445.50 is: 1,121,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,474.75 : 542,445.50 = 542,445.50 : x
  2. Step 2: Convert to fraction form
    262,474.75/542,445.50 = 542,445.50/x
  3. Step 3: Cross multiply
    262,474.75x = 542,445.50 × 542,445.50
  4. Step 4: Simplify right side
    262,474.75x = 294,247,120,470.25
  5. Step 5: Solve for x
    x = 294,247,120,470.25/262,474.75
  6. Step 6: Final answer
    x = 1,121,049.25

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.