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Finding the Third Proportional to 160,661.81 and 352,845.28

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Solution

The third proportional to 160,661.81 and 352,845.28 is: 774,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.81 : 352,845.28 = 352,845.28 : x
  2. Step 2: Convert to fraction form
    160,661.81/352,845.28 = 352,845.28/x
  3. Step 3: Cross multiply
    160,661.81x = 352,845.28 × 352,845.28
  4. Step 4: Simplify right side
    160,661.81x = 124,499,792,500.39
  5. Step 5: Solve for x
    x = 124,499,792,500.39/160,661.81
  6. Step 6: Final answer
    x = 774,918.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.