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Finding the Third Proportional to 847.69 and 1,968.19

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Solution

The third proportional to 847.69 and 1,968.19 is: 4,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.69 : 1,968.19 = 1,968.19 : x
  2. Step 2: Convert to fraction form
    847.69/1,968.19 = 1,968.19/x
  3. Step 3: Cross multiply
    847.69x = 1,968.19 × 1,968.19
  4. Step 4: Simplify right side
    847.69x = 3,873,762.04
  5. Step 5: Solve for x
    x = 3,873,762.04/847.69
  6. Step 6: Final answer
    x = 4,569.80

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.