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Finding the Third Proportional to 69,261.50 and 149,596

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Solution

The third proportional to 69,261.50 and 149,596 is: 323,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261.50 : 149,596 = 149,596 : x
  2. Step 2: Convert to fraction form
    69,261.50/149,596 = 149,596/x
  3. Step 3: Cross multiply
    69,261.50x = 149,596 × 149,596
  4. Step 4: Simplify right side
    69,261.50x = 22,378,963,216
  5. Step 5: Solve for x
    x = 22,378,963,216/69,261.50
  6. Step 6: Final answer
    x = 323,108.27

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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.