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Finding the Third Proportional to 136 and 296.63

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Solution

The third proportional to 136 and 296.63 is: 646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136 : 296.63 = 296.63 : x
  2. Step 2: Convert to fraction form
    136/296.63 = 296.63/x
  3. Step 3: Cross multiply
    136x = 296.63 × 296.63
  4. Step 4: Simplify right side
    136x = 87,986.39
  5. Step 5: Solve for x
    x = 87,986.39/136
  6. Step 6: Final answer
    x = 646.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.