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Finding the Third Proportional to 115,072 and 268,984

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Solution

The third proportional to 115,072 and 268,984 is: 628,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,072 : 268,984 = 268,984 : x
  2. Step 2: Convert to fraction form
    115,072/268,984 = 268,984/x
  3. Step 3: Cross multiply
    115,072x = 268,984 × 268,984
  4. Step 4: Simplify right side
    115,072x = 72,352,392,256
  5. Step 5: Solve for x
    x = 72,352,392,256/115,072
  6. Step 6: Final answer
    x = 628,757.58

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.