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Finding the Third Proportional to 8,506 and 9,739

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Solution

The third proportional to 8,506 and 9,739 is: 11,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506 : 9,739 = 9,739 : x
  2. Step 2: Convert to fraction form
    8,506/9,739 = 9,739/x
  3. Step 3: Cross multiply
    8,506x = 9,739 × 9,739
  4. Step 4: Simplify right side
    8,506x = 94,848,121
  5. Step 5: Solve for x
    x = 94,848,121/8,506
  6. Step 6: Final answer
    x = 11,150.73

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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.