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Finding the Third Proportional to 69,875.75 and 150,816.75

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Solution

The third proportional to 69,875.75 and 150,816.75 is: 325,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,875.75 : 150,816.75 = 150,816.75 : x
  2. Step 2: Convert to fraction form
    69,875.75/150,816.75 = 150,816.75/x
  3. Step 3: Cross multiply
    69,875.75x = 150,816.75 × 150,816.75
  4. Step 4: Simplify right side
    69,875.75x = 22,745,692,080.56
  5. Step 5: Solve for x
    x = 22,745,692,080.56/69,875.75
  6. Step 6: Final answer
    x = 325,516.25

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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.