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Finding the Third Proportional to 15,679 and 33,543.50

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Solution

The third proportional to 15,679 and 33,543.50 is: 71,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679 : 33,543.50 = 33,543.50 : x
  2. Step 2: Convert to fraction form
    15,679/33,543.50 = 33,543.50/x
  3. Step 3: Cross multiply
    15,679x = 33,543.50 × 33,543.50
  4. Step 4: Simplify right side
    15,679x = 1,125,166,392.25
  5. Step 5: Solve for x
    x = 1,125,166,392.25/15,679
  6. Step 6: Final answer
    x = 71,762.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.