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Finding the Third Proportional to 133,035.75 and 206,570.25

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Solution

The third proportional to 133,035.75 and 206,570.25 is: 320,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.75 : 206,570.25 = 206,570.25 : x
  2. Step 2: Convert to fraction form
    133,035.75/206,570.25 = 206,570.25/x
  3. Step 3: Cross multiply
    133,035.75x = 206,570.25 × 206,570.25
  4. Step 4: Simplify right side
    133,035.75x = 42,671,268,185.06
  5. Step 5: Solve for x
    x = 42,671,268,185.06/133,035.75
  6. Step 6: Final answer
    x = 320,750.39

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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.