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Finding the Third Proportional to 28,322 and 62,260

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Solution

The third proportional to 28,322 and 62,260 is: 136,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322 : 62,260 = 62,260 : x
  2. Step 2: Convert to fraction form
    28,322/62,260 = 62,260/x
  3. Step 3: Cross multiply
    28,322x = 62,260 × 62,260
  4. Step 4: Simplify right side
    28,322x = 3,876,307,600
  5. Step 5: Solve for x
    x = 3,876,307,600/28,322
  6. Step 6: Final answer
    x = 136,865.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.