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Finding the Third Proportional to 166,831.88 and 359,907.75

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Solution

The third proportional to 166,831.88 and 359,907.75 is: 776,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831.88 : 359,907.75 = 359,907.75 : x
  2. Step 2: Convert to fraction form
    166,831.88/359,907.75 = 359,907.75/x
  3. Step 3: Cross multiply
    166,831.88x = 359,907.75 × 359,907.75
  4. Step 4: Simplify right side
    166,831.88x = 129,533,588,510.06
  5. Step 5: Solve for x
    x = 129,533,588,510.06/166,831.88
  6. Step 6: Final answer
    x = 776,431.89

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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.