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Finding the Third Proportional to 2,945.44 and 4,554.84

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Solution

The third proportional to 2,945.44 and 4,554.84 is: 7,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.44 : 4,554.84 = 4,554.84 : x
  2. Step 2: Convert to fraction form
    2,945.44/4,554.84 = 4,554.84/x
  3. Step 3: Cross multiply
    2,945.44x = 4,554.84 × 4,554.84
  4. Step 4: Simplify right side
    2,945.44x = 20,746,601.59
  5. Step 5: Solve for x
    x = 20,746,601.59/2,945.44
  6. Step 6: Final answer
    x = 7,043.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.