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Finding the Third Proportional to 149,712.75 and 323,413.88

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Solution

The third proportional to 149,712.75 and 323,413.88 is: 698,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712.75 : 323,413.88 = 323,413.88 : x
  2. Step 2: Convert to fraction form
    149,712.75/323,413.88 = 323,413.88/x
  3. Step 3: Cross multiply
    149,712.75x = 323,413.88 × 323,413.88
  4. Step 4: Simplify right side
    149,712.75x = 104,596,534,542.52
  5. Step 5: Solve for x
    x = 104,596,534,542.52/149,712.75
  6. Step 6: Final answer
    x = 698,648.14

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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.