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Finding the Third Proportional to 3,100.15 and 4,803.05

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Solution

The third proportional to 3,100.15 and 4,803.05 is: 7,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.15 : 4,803.05 = 4,803.05 : x
  2. Step 2: Convert to fraction form
    3,100.15/4,803.05 = 4,803.05/x
  3. Step 3: Cross multiply
    3,100.15x = 4,803.05 × 4,803.05
  4. Step 4: Simplify right side
    3,100.15x = 23,069,259.28
  5. Step 5: Solve for x
    x = 23,069,259.28/3,100.15
  6. Step 6: Final answer
    x = 7,441.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.