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Finding the Third Proportional to 69,261 and 149,595

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Solution

The third proportional to 69,261 and 149,595 is: 323,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,261 : 149,595 = 149,595 : x
  2. Step 2: Convert to fraction form
    69,261/149,595 = 149,595/x
  3. Step 3: Cross multiply
    69,261x = 149,595 × 149,595
  4. Step 4: Simplify right side
    69,261x = 22,378,664,025
  5. Step 5: Solve for x
    x = 22,378,664,025/69,261
  6. Step 6: Final answer
    x = 323,106.28

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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.