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Finding the Third Proportional to 6,308 and 7,716

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Solution

The third proportional to 6,308 and 7,716 is: 9,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308 : 7,716 = 7,716 : x
  2. Step 2: Convert to fraction form
    6,308/7,716 = 7,716/x
  3. Step 3: Cross multiply
    6,308x = 7,716 × 7,716
  4. Step 4: Simplify right side
    6,308x = 59,536,656
  5. Step 5: Solve for x
    x = 59,536,656/6,308
  6. Step 6: Final answer
    x = 9,438.28

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.