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Finding the Third Proportional to 4,419.56 and 6,930.56

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Solution

The third proportional to 4,419.56 and 6,930.56 is: 10,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.56 : 6,930.56 = 6,930.56 : x
  2. Step 2: Convert to fraction form
    4,419.56/6,930.56 = 6,930.56/x
  3. Step 3: Cross multiply
    4,419.56x = 6,930.56 × 6,930.56
  4. Step 4: Simplify right side
    4,419.56x = 48,032,696.57
  5. Step 5: Solve for x
    x = 48,032,696.57/4,419.56
  6. Step 6: Final answer
    x = 10,868.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.