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Finding the Third Proportional to 3,133.13 and 6,881.63

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Solution

The third proportional to 3,133.13 and 6,881.63 is: 15,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.13 : 6,881.63 = 6,881.63 : x
  2. Step 2: Convert to fraction form
    3,133.13/6,881.63 = 6,881.63/x
  3. Step 3: Cross multiply
    3,133.13x = 6,881.63 × 6,881.63
  4. Step 4: Simplify right side
    3,133.13x = 47,356,762.64
  5. Step 5: Solve for x
    x = 47,356,762.64/3,133.13
  6. Step 6: Final answer
    x = 15,114.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.