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Finding the Third Proportional to 122,831.50 and 260,425.50

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Solution

The third proportional to 122,831.50 and 260,425.50 is: 552,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,831.50 : 260,425.50 = 260,425.50 : x
  2. Step 2: Convert to fraction form
    122,831.50/260,425.50 = 260,425.50/x
  3. Step 3: Cross multiply
    122,831.50x = 260,425.50 × 260,425.50
  4. Step 4: Simplify right side
    122,831.50x = 67,821,441,050.25
  5. Step 5: Solve for x
    x = 67,821,441,050.25/122,831.50
  6. Step 6: Final answer
    x = 552,150.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.