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Finding the Third Proportional to 19,689 and 26,526

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Solution

The third proportional to 19,689 and 26,526 is: 35,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689 : 26,526 = 26,526 : x
  2. Step 2: Convert to fraction form
    19,689/26,526 = 26,526/x
  3. Step 3: Cross multiply
    19,689x = 26,526 × 26,526
  4. Step 4: Simplify right side
    19,689x = 703,628,676
  5. Step 5: Solve for x
    x = 703,628,676/19,689
  6. Step 6: Final answer
    x = 35,737.15

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.