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Finding the Third Proportional to 28,232 and 61,996

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Solution

The third proportional to 28,232 and 61,996 is: 136,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232 : 61,996 = 61,996 : x
  2. Step 2: Convert to fraction form
    28,232/61,996 = 61,996/x
  3. Step 3: Cross multiply
    28,232x = 61,996 × 61,996
  4. Step 4: Simplify right side
    28,232x = 3,843,504,016
  5. Step 5: Solve for x
    x = 3,843,504,016/28,232
  6. Step 6: Final answer
    x = 136,139.98

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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.