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Finding the Third Proportional to 4,820 and 6,758

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Solution

The third proportional to 4,820 and 6,758 is: 9,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820 : 6,758 = 6,758 : x
  2. Step 2: Convert to fraction form
    4,820/6,758 = 6,758/x
  3. Step 3: Cross multiply
    4,820x = 6,758 × 6,758
  4. Step 4: Simplify right side
    4,820x = 45,670,564
  5. Step 5: Solve for x
    x = 45,670,564/4,820
  6. Step 6: Final answer
    x = 9,475.22

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.