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Finding the Third Proportional to 15,679 and 23,016.50

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Solution

The third proportional to 15,679 and 23,016.50 is: 33,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679 : 23,016.50 = 23,016.50 : x
  2. Step 2: Convert to fraction form
    15,679/23,016.50 = 23,016.50/x
  3. Step 3: Cross multiply
    15,679x = 23,016.50 × 23,016.50
  4. Step 4: Simplify right side
    15,679x = 529,759,272.25
  5. Step 5: Solve for x
    x = 529,759,272.25/15,679
  6. Step 6: Final answer
    x = 33,787.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.