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Finding the Third Proportional to 3,030 and 4,071.75

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Solution

The third proportional to 3,030 and 4,071.75 is: 5,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030 : 4,071.75 = 4,071.75 : x
  2. Step 2: Convert to fraction form
    3,030/4,071.75 = 4,071.75/x
  3. Step 3: Cross multiply
    3,030x = 4,071.75 × 4,071.75
  4. Step 4: Simplify right side
    3,030x = 16,579,148.06
  5. Step 5: Solve for x
    x = 16,579,148.06/3,030
  6. Step 6: Final answer
    x = 5,471.67

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.