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Finding the Third Proportional to 12,426 and 26,706

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Solution

The third proportional to 12,426 and 26,706 is: 57,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426 : 26,706 = 26,706 : x
  2. Step 2: Convert to fraction form
    12,426/26,706 = 26,706/x
  3. Step 3: Cross multiply
    12,426x = 26,706 × 26,706
  4. Step 4: Simplify right side
    12,426x = 713,210,436
  5. Step 5: Solve for x
    x = 713,210,436/12,426
  6. Step 6: Final answer
    x = 57,396.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.