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Finding the Third Proportional to 253,728 and 552,660

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Solution

The third proportional to 253,728 and 552,660 is: 1,203,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,728 : 552,660 = 552,660 : x
  2. Step 2: Convert to fraction form
    253,728/552,660 = 552,660/x
  3. Step 3: Cross multiply
    253,728x = 552,660 × 552,660
  4. Step 4: Simplify right side
    253,728x = 305,433,075,600
  5. Step 5: Solve for x
    x = 305,433,075,600/253,728
  6. Step 6: Final answer
    x = 1,203,781.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.