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Finding the Third Proportional to 235.50 and 493.13

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Solution

The third proportional to 235.50 and 493.13 is: 1,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.50 : 493.13 = 493.13 : x
  2. Step 2: Convert to fraction form
    235.50/493.13 = 493.13/x
  3. Step 3: Cross multiply
    235.50x = 493.13 × 493.13
  4. Step 4: Simplify right side
    235.50x = 243,172.27
  5. Step 5: Solve for x
    x = 243,172.27/235.50
  6. Step 6: Final answer
    x = 1,032.58

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.