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Finding the Third Proportional to 74,804.75 and 163,685.50

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Solution

The third proportional to 74,804.75 and 163,685.50 is: 358,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.75 : 163,685.50 = 163,685.50 : x
  2. Step 2: Convert to fraction form
    74,804.75/163,685.50 = 163,685.50/x
  3. Step 3: Cross multiply
    74,804.75x = 163,685.50 × 163,685.50
  4. Step 4: Simplify right side
    74,804.75x = 26,792,942,910.25
  5. Step 5: Solve for x
    x = 26,792,942,910.25/74,804.75
  6. Step 6: Final answer
    x = 358,171.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.