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Finding the Third Proportional to 28,467 and 60,639

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Solution

The third proportional to 28,467 and 60,639 is: 129,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467 : 60,639 = 60,639 : x
  2. Step 2: Convert to fraction form
    28,467/60,639 = 60,639/x
  3. Step 3: Cross multiply
    28,467x = 60,639 × 60,639
  4. Step 4: Simplify right side
    28,467x = 3,677,088,321
  5. Step 5: Solve for x
    x = 3,677,088,321/28,467
  6. Step 6: Final answer
    x = 129,170.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.