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Finding the Third Proportional to 68,384.25 and 147,701.25

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Solution

The third proportional to 68,384.25 and 147,701.25 is: 319,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.25 : 147,701.25 = 147,701.25 : x
  2. Step 2: Convert to fraction form
    68,384.25/147,701.25 = 147,701.25/x
  3. Step 3: Cross multiply
    68,384.25x = 147,701.25 × 147,701.25
  4. Step 4: Simplify right side
    68,384.25x = 21,815,659,251.56
  5. Step 5: Solve for x
    x = 21,815,659,251.56/68,384.25
  6. Step 6: Final answer
    x = 319,015.84

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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.