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Finding the Third Proportional to 166,831.50 and 359,907.50

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Solution

The third proportional to 166,831.50 and 359,907.50 is: 776,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.50 : 359,907.50 = 359,907.50 : x
  2. Step 2: Convert to fraction form
    166,831.50/359,907.50 = 359,907.50/x
  3. Step 3: Cross multiply
    166,831.50x = 359,907.50 × 359,907.50
  4. Step 4: Simplify right side
    166,831.50x = 129,533,408,556.25
  5. Step 5: Solve for x
    x = 129,533,408,556.25/166,831.50
  6. Step 6: Final answer
    x = 776,432.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.