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Finding the Third Proportional to 48,285 and 76,831.50

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Solution

The third proportional to 48,285 and 76,831.50 is: 122,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285 : 76,831.50 = 76,831.50 : x
  2. Step 2: Convert to fraction form
    48,285/76,831.50 = 76,831.50/x
  3. Step 3: Cross multiply
    48,285x = 76,831.50 × 76,831.50
  4. Step 4: Simplify right side
    48,285x = 5,903,079,392.25
  5. Step 5: Solve for x
    x = 5,903,079,392.25/48,285
  6. Step 6: Final answer
    x = 122,254.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.