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Finding the Third Proportional to 20,365 and 26,842

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Solution

The third proportional to 20,365 and 26,842 is: 35,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365 : 26,842 = 26,842 : x
  2. Step 2: Convert to fraction form
    20,365/26,842 = 26,842/x
  3. Step 3: Cross multiply
    20,365x = 26,842 × 26,842
  4. Step 4: Simplify right side
    20,365x = 720,492,964
  5. Step 5: Solve for x
    x = 720,492,964/20,365
  6. Step 6: Final answer
    x = 35,378.98

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.