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Finding the Third Proportional to 505,246.50 and 763,116

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Solution

The third proportional to 505,246.50 and 763,116 is: 1,152,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,246.50 : 763,116 = 763,116 : x
  2. Step 2: Convert to fraction form
    505,246.50/763,116 = 763,116/x
  3. Step 3: Cross multiply
    505,246.50x = 763,116 × 763,116
  4. Step 4: Simplify right side
    505,246.50x = 582,346,029,456
  5. Step 5: Solve for x
    x = 582,346,029,456/505,246.50
  6. Step 6: Final answer
    x = 1,152,597.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.