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Finding the Third Proportional to 68,969.25 and 103,683.75

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Solution

The third proportional to 68,969.25 and 103,683.75 is: 155,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969.25 : 103,683.75 = 103,683.75 : x
  2. Step 2: Convert to fraction form
    68,969.25/103,683.75 = 103,683.75/x
  3. Step 3: Cross multiply
    68,969.25x = 103,683.75 × 103,683.75
  4. Step 4: Simplify right side
    68,969.25x = 10,750,320,014.06
  5. Step 5: Solve for x
    x = 10,750,320,014.06/68,969.25
  6. Step 6: Final answer
    x = 155,871.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.