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Finding the Third Proportional to 5,817 and 9,643.50

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Solution

The third proportional to 5,817 and 9,643.50 is: 15,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817 : 9,643.50 = 9,643.50 : x
  2. Step 2: Convert to fraction form
    5,817/9,643.50 = 9,643.50/x
  3. Step 3: Cross multiply
    5,817x = 9,643.50 × 9,643.50
  4. Step 4: Simplify right side
    5,817x = 92,997,092.25
  5. Step 5: Solve for x
    x = 92,997,092.25/5,817
  6. Step 6: Final answer
    x = 15,987.12

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.