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Finding the Third Proportional to 28,680 and 62,652

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Solution

The third proportional to 28,680 and 62,652 is: 136,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680 : 62,652 = 62,652 : x
  2. Step 2: Convert to fraction form
    28,680/62,652 = 62,652/x
  3. Step 3: Cross multiply
    28,680x = 62,652 × 62,652
  4. Step 4: Simplify right side
    28,680x = 3,925,273,104
  5. Step 5: Solve for x
    x = 3,925,273,104/28,680
  6. Step 6: Final answer
    x = 136,864.47

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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.