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Finding the Third Proportional to 4,084 and 6,490.50

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Solution

The third proportional to 4,084 and 6,490.50 is: 10,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084 : 6,490.50 = 6,490.50 : x
  2. Step 2: Convert to fraction form
    4,084/6,490.50 = 6,490.50/x
  3. Step 3: Cross multiply
    4,084x = 6,490.50 × 6,490.50
  4. Step 4: Simplify right side
    4,084x = 42,126,590.25
  5. Step 5: Solve for x
    x = 42,126,590.25/4,084
  6. Step 6: Final answer
    x = 10,315.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.