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Finding the Third Proportional to 28,194 and 61,970

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Solution

The third proportional to 28,194 and 61,970 is: 136,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194 : 61,970 = 61,970 : x
  2. Step 2: Convert to fraction form
    28,194/61,970 = 61,970/x
  3. Step 3: Cross multiply
    28,194x = 61,970 × 61,970
  4. Step 4: Simplify right side
    28,194x = 3,840,280,900
  5. Step 5: Solve for x
    x = 3,840,280,900/28,194
  6. Step 6: Final answer
    x = 136,209.15

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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.