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Finding the Third Proportional to 88.63 and 140.94

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Solution

The third proportional to 88.63 and 140.94 is: 224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.63 : 140.94 = 140.94 : x
  2. Step 2: Convert to fraction form
    88.63/140.94 = 140.94/x
  3. Step 3: Cross multiply
    88.63x = 140.94 × 140.94
  4. Step 4: Simplify right side
    88.63x = 19,863.38
  5. Step 5: Solve for x
    x = 19,863.38/88.63
  6. Step 6: Final answer
    x = 224.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.