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Finding the Third Proportional to 2,700 and 4,407.75

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Solution

The third proportional to 2,700 and 4,407.75 is: 7,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700 : 4,407.75 = 4,407.75 : x
  2. Step 2: Convert to fraction form
    2,700/4,407.75 = 4,407.75/x
  3. Step 3: Cross multiply
    2,700x = 4,407.75 × 4,407.75
  4. Step 4: Simplify right side
    2,700x = 19,428,260.06
  5. Step 5: Solve for x
    x = 19,428,260.06/2,700
  6. Step 6: Final answer
    x = 7,195.65

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.