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Finding the Third Proportional to 146 and 307.63

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Solution

The third proportional to 146 and 307.63 is: 648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146 : 307.63 = 307.63 : x
  2. Step 2: Convert to fraction form
    146/307.63 = 307.63/x
  3. Step 3: Cross multiply
    146x = 307.63 × 307.63
  4. Step 4: Simplify right side
    146x = 94,633.14
  5. Step 5: Solve for x
    x = 94,633.14/146
  6. Step 6: Final answer
    x = 648.17

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.