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Finding the Third Proportional to 32,831.58 and 50,787

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Solution

The third proportional to 32,831.58 and 50,787 is: 78,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831.58 : 50,787 = 50,787 : x
  2. Step 2: Convert to fraction form
    32,831.58/50,787 = 50,787/x
  3. Step 3: Cross multiply
    32,831.58x = 50,787 × 50,787
  4. Step 4: Simplify right side
    32,831.58x = 2,579,319,369
  5. Step 5: Solve for x
    x = 2,579,319,369/32,831.58
  6. Step 6: Final answer
    x = 78,562.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.