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Finding the Third Proportional to 69,266 and 149,468

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Solution

The third proportional to 69,266 and 149,468 is: 322,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,266 : 149,468 = 149,468 : x
  2. Step 2: Convert to fraction form
    69,266/149,468 = 149,468/x
  3. Step 3: Cross multiply
    69,266x = 149,468 × 149,468
  4. Step 4: Simplify right side
    69,266x = 22,340,683,024
  5. Step 5: Solve for x
    x = 22,340,683,024/69,266
  6. Step 6: Final answer
    x = 322,534.62

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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.