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Finding the Third Proportional to 69,266.25 and 149,127

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Solution

The third proportional to 69,266.25 and 149,127 is: 321,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,266.25 : 149,127 = 149,127 : x
  2. Step 2: Convert to fraction form
    69,266.25/149,127 = 149,127/x
  3. Step 3: Cross multiply
    69,266.25x = 149,127 × 149,127
  4. Step 4: Simplify right side
    69,266.25x = 22,238,862,129
  5. Step 5: Solve for x
    x = 22,238,862,129/69,266.25
  6. Step 6: Final answer
    x = 321,063.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.