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Finding the Third Proportional to 3,350.25 and 5,122.50

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Solution

The third proportional to 3,350.25 and 5,122.50 is: 7,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.25 : 5,122.50 = 5,122.50 : x
  2. Step 2: Convert to fraction form
    3,350.25/5,122.50 = 5,122.50/x
  3. Step 3: Cross multiply
    3,350.25x = 5,122.50 × 5,122.50
  4. Step 4: Simplify right side
    3,350.25x = 26,240,006.25
  5. Step 5: Solve for x
    x = 26,240,006.25/3,350.25
  6. Step 6: Final answer
    x = 7,832.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.