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Finding the Third Proportional to 137,200.50 and 211,268.25

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Solution

The third proportional to 137,200.50 and 211,268.25 is: 325,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,200.50 : 211,268.25 = 211,268.25 : x
  2. Step 2: Convert to fraction form
    137,200.50/211,268.25 = 211,268.25/x
  3. Step 3: Cross multiply
    137,200.50x = 211,268.25 × 211,268.25
  4. Step 4: Simplify right side
    137,200.50x = 44,634,273,458.06
  5. Step 5: Solve for x
    x = 44,634,273,458.06/137,200.50
  6. Step 6: Final answer
    x = 325,321.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.