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Finding the Third Proportional to 5,119.13 and 10,784.63

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Solution

The third proportional to 5,119.13 and 10,784.63 is: 22,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.13 : 10,784.63 = 10,784.63 : x
  2. Step 2: Convert to fraction form
    5,119.13/10,784.63 = 10,784.63/x
  3. Step 3: Cross multiply
    5,119.13x = 10,784.63 × 10,784.63
  4. Step 4: Simplify right side
    5,119.13x = 116,308,136.39
  5. Step 5: Solve for x
    x = 116,308,136.39/5,119.13
  6. Step 6: Final answer
    x = 22,720.32

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.