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Finding the Third Proportional to 7,616 and 8,710

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Solution

The third proportional to 7,616 and 8,710 is: 9,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616 : 8,710 = 8,710 : x
  2. Step 2: Convert to fraction form
    7,616/8,710 = 8,710/x
  3. Step 3: Cross multiply
    7,616x = 8,710 × 8,710
  4. Step 4: Simplify right side
    7,616x = 75,864,100
  5. Step 5: Solve for x
    x = 75,864,100/7,616
  6. Step 6: Final answer
    x = 9,961.15

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.