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Finding the Third Proportional to 3,148.50 and 4,858

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Solution

The third proportional to 3,148.50 and 4,858 is: 7,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.50 : 4,858 = 4,858 : x
  2. Step 2: Convert to fraction form
    3,148.50/4,858 = 4,858/x
  3. Step 3: Cross multiply
    3,148.50x = 4,858 × 4,858
  4. Step 4: Simplify right side
    3,148.50x = 23,600,164
  5. Step 5: Solve for x
    x = 23,600,164/3,148.50
  6. Step 6: Final answer
    x = 7,495.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.