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Finding the Third Proportional to 15,779 and 33,943

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Solution

The third proportional to 15,779 and 33,943 is: 73,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779 : 33,943 = 33,943 : x
  2. Step 2: Convert to fraction form
    15,779/33,943 = 33,943/x
  3. Step 3: Cross multiply
    15,779x = 33,943 × 33,943
  4. Step 4: Simplify right side
    15,779x = 1,152,127,249
  5. Step 5: Solve for x
    x = 1,152,127,249/15,779
  6. Step 6: Final answer
    x = 73,016.49

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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.