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Finding the Third Proportional to 4,201.50 and 7,750.50

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Solution

The third proportional to 4,201.50 and 7,750.50 is: 14,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.50 : 7,750.50 = 7,750.50 : x
  2. Step 2: Convert to fraction form
    4,201.50/7,750.50 = 7,750.50/x
  3. Step 3: Cross multiply
    4,201.50x = 7,750.50 × 7,750.50
  4. Step 4: Simplify right side
    4,201.50x = 60,070,250.25
  5. Step 5: Solve for x
    x = 60,070,250.25/4,201.50
  6. Step 6: Final answer
    x = 14,297.33

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.