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Finding the Third Proportional to 380 and 945.50

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Solution

The third proportional to 380 and 945.50 is: 2,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380 : 945.50 = 945.50 : x
  2. Step 2: Convert to fraction form
    380/945.50 = 945.50/x
  3. Step 3: Cross multiply
    380x = 945.50 × 945.50
  4. Step 4: Simplify right side
    380x = 893,970.25
  5. Step 5: Solve for x
    x = 893,970.25/380
  6. Step 6: Final answer
    x = 2,352.55

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.