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Finding the Third Proportional to 192.63 and 285.50

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Solution

The third proportional to 192.63 and 285.50 is: 423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.63 : 285.50 = 285.50 : x
  2. Step 2: Convert to fraction form
    192.63/285.50 = 285.50/x
  3. Step 3: Cross multiply
    192.63x = 285.50 × 285.50
  4. Step 4: Simplify right side
    192.63x = 81,510.25
  5. Step 5: Solve for x
    x = 81,510.25/192.63
  6. Step 6: Final answer
    x = 423.16

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.