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Finding the Third Proportional to 6,139 and 9,480.50

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Solution

The third proportional to 6,139 and 9,480.50 is: 14,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139 : 9,480.50 = 9,480.50 : x
  2. Step 2: Convert to fraction form
    6,139/9,480.50 = 9,480.50/x
  3. Step 3: Cross multiply
    6,139x = 9,480.50 × 9,480.50
  4. Step 4: Simplify right side
    6,139x = 89,879,880.25
  5. Step 5: Solve for x
    x = 89,879,880.25/6,139
  6. Step 6: Final answer
    x = 14,640.80

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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.