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Finding the Third Proportional to 133,425 and 206,030.25

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Solution

The third proportional to 133,425 and 206,030.25 is: 318,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,425 : 206,030.25 = 206,030.25 : x
  2. Step 2: Convert to fraction form
    133,425/206,030.25 = 206,030.25/x
  3. Step 3: Cross multiply
    133,425x = 206,030.25 × 206,030.25
  4. Step 4: Simplify right side
    133,425x = 42,448,463,915.06
  5. Step 5: Solve for x
    x = 42,448,463,915.06/133,425
  6. Step 6: Final answer
    x = 318,144.75

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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.