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Finding the Third Proportional to 357,288 and 552,976

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Solution

The third proportional to 357,288 and 552,976 is: 855,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,288 : 552,976 = 552,976 : x
  2. Step 2: Convert to fraction form
    357,288/552,976 = 552,976/x
  3. Step 3: Cross multiply
    357,288x = 552,976 × 552,976
  4. Step 4: Simplify right side
    357,288x = 305,782,456,576
  5. Step 5: Solve for x
    x = 305,782,456,576/357,288
  6. Step 6: Final answer
    x = 855,843.06

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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.