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Finding the Third Proportional to 3,124.50 and 4,540.50

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Solution

The third proportional to 3,124.50 and 4,540.50 is: 6,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.50 : 4,540.50 = 4,540.50 : x
  2. Step 2: Convert to fraction form
    3,124.50/4,540.50 = 4,540.50/x
  3. Step 3: Cross multiply
    3,124.50x = 4,540.50 × 4,540.50
  4. Step 4: Simplify right side
    3,124.50x = 20,616,140.25
  5. Step 5: Solve for x
    x = 20,616,140.25/3,124.50
  6. Step 6: Final answer
    x = 6,598.22

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.