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Finding the Third Proportional to 69,025 and 149,336

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Solution

The third proportional to 69,025 and 149,336 is: 323,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,025 : 149,336 = 149,336 : x
  2. Step 2: Convert to fraction form
    69,025/149,336 = 149,336/x
  3. Step 3: Cross multiply
    69,025x = 149,336 × 149,336
  4. Step 4: Simplify right side
    69,025x = 22,301,240,896
  5. Step 5: Solve for x
    x = 22,301,240,896/69,025
  6. Step 6: Final answer
    x = 323,089.33

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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.