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Finding the Third Proportional to 28,137 and 61,502

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Solution

The third proportional to 28,137 and 61,502 is: 134,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137 : 61,502 = 61,502 : x
  2. Step 2: Convert to fraction form
    28,137/61,502 = 61,502/x
  3. Step 3: Cross multiply
    28,137x = 61,502 × 61,502
  4. Step 4: Simplify right side
    28,137x = 3,782,496,004
  5. Step 5: Solve for x
    x = 3,782,496,004/28,137
  6. Step 6: Final answer
    x = 134,431.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.