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Finding the Third Proportional to 201.50 and 373.75

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Solution

The third proportional to 201.50 and 373.75 is: 693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.50 : 373.75 = 373.75 : x
  2. Step 2: Convert to fraction form
    201.50/373.75 = 373.75/x
  3. Step 3: Cross multiply
    201.50x = 373.75 × 373.75
  4. Step 4: Simplify right side
    201.50x = 139,689.06
  5. Step 5: Solve for x
    x = 139,689.06/201.50
  6. Step 6: Final answer
    x = 693.25

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.