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Finding the Third Proportional to 134,712.75 and 293,413.50

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Solution

The third proportional to 134,712.75 and 293,413.50 is: 639,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,712.75 : 293,413.50 = 293,413.50 : x
  2. Step 2: Convert to fraction form
    134,712.75/293,413.50 = 293,413.50/x
  3. Step 3: Cross multiply
    134,712.75x = 293,413.50 × 293,413.50
  4. Step 4: Simplify right side
    134,712.75x = 86,091,481,982.25
  5. Step 5: Solve for x
    x = 86,091,481,982.25/134,712.75
  6. Step 6: Final answer
    x = 639,074.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.