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Finding the Third Proportional to 101,075 and 207,988

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Solution

The third proportional to 101,075 and 207,988 is: 427,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,075 : 207,988 = 207,988 : x
  2. Step 2: Convert to fraction form
    101,075/207,988 = 207,988/x
  3. Step 3: Cross multiply
    101,075x = 207,988 × 207,988
  4. Step 4: Simplify right side
    101,075x = 43,259,008,144
  5. Step 5: Solve for x
    x = 43,259,008,144/101,075
  6. Step 6: Final answer
    x = 427,989.20

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.