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Finding the Third Proportional to 6,555.75 and 9,831.50

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Solution

The third proportional to 6,555.75 and 9,831.50 is: 14,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.75 : 9,831.50 = 9,831.50 : x
  2. Step 2: Convert to fraction form
    6,555.75/9,831.50 = 9,831.50/x
  3. Step 3: Cross multiply
    6,555.75x = 9,831.50 × 9,831.50
  4. Step 4: Simplify right side
    6,555.75x = 96,658,392.25
  5. Step 5: Solve for x
    x = 96,658,392.25/6,555.75
  6. Step 6: Final answer
    x = 14,744.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.