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Finding the Third Proportional to 2,865.45 and 6,268.88

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Solution

The third proportional to 2,865.45 and 6,268.88 is: 13,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.45 : 6,268.88 = 6,268.88 : x
  2. Step 2: Convert to fraction form
    2,865.45/6,268.88 = 6,268.88/x
  3. Step 3: Cross multiply
    2,865.45x = 6,268.88 × 6,268.88
  4. Step 4: Simplify right side
    2,865.45x = 39,298,830.50
  5. Step 5: Solve for x
    x = 39,298,830.50/2,865.45
  6. Step 6: Final answer
    x = 13,714.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.