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Finding the Third Proportional to 7,639 and 16,526

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Solution

The third proportional to 7,639 and 16,526 is: 35,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639 : 16,526 = 16,526 : x
  2. Step 2: Convert to fraction form
    7,639/16,526 = 16,526/x
  3. Step 3: Cross multiply
    7,639x = 16,526 × 16,526
  4. Step 4: Simplify right side
    7,639x = 273,108,676
  5. Step 5: Solve for x
    x = 273,108,676/7,639
  6. Step 6: Final answer
    x = 35,751.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.