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Finding the Third Proportional to 4,130 and 7,774

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Solution

The third proportional to 4,130 and 7,774 is: 14,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130 : 7,774 = 7,774 : x
  2. Step 2: Convert to fraction form
    4,130/7,774 = 7,774/x
  3. Step 3: Cross multiply
    4,130x = 7,774 × 7,774
  4. Step 4: Simplify right side
    4,130x = 60,435,076
  5. Step 5: Solve for x
    x = 60,435,076/4,130
  6. Step 6: Final answer
    x = 14,633.19

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.