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Finding the Third Proportional to 28,878 and 62,214

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Solution

The third proportional to 28,878 and 62,214 is: 134,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878 : 62,214 = 62,214 : x
  2. Step 2: Convert to fraction form
    28,878/62,214 = 62,214/x
  3. Step 3: Cross multiply
    28,878x = 62,214 × 62,214
  4. Step 4: Simplify right side
    28,878x = 3,870,581,796
  5. Step 5: Solve for x
    x = 3,870,581,796/28,878
  6. Step 6: Final answer
    x = 134,032.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.