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Finding the Third Proportional to 236.75 and 497.50

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Solution

The third proportional to 236.75 and 497.50 is: 1,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.75 : 497.50 = 497.50 : x
  2. Step 2: Convert to fraction form
    236.75/497.50 = 497.50/x
  3. Step 3: Cross multiply
    236.75x = 497.50 × 497.50
  4. Step 4: Simplify right side
    236.75x = 247,506.25
  5. Step 5: Solve for x
    x = 247,506.25/236.75
  6. Step 6: Final answer
    x = 1,045.43

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.