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Finding the Third Proportional to 235.69 and 493.03

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Solution

The third proportional to 235.69 and 493.03 is: 1,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.69 : 493.03 = 493.03 : x
  2. Step 2: Convert to fraction form
    235.69/493.03 = 493.03/x
  3. Step 3: Cross multiply
    235.69x = 493.03 × 493.03
  4. Step 4: Simplify right side
    235.69x = 243,079.81
  5. Step 5: Solve for x
    x = 243,079.81/235.69
  6. Step 6: Final answer
    x = 1,031.36

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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.