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Finding the Third Proportional to 26,636 and 39,430

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Solution

The third proportional to 26,636 and 39,430 is: 58,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636 : 39,430 = 39,430 : x
  2. Step 2: Convert to fraction form
    26,636/39,430 = 39,430/x
  3. Step 3: Cross multiply
    26,636x = 39,430 × 39,430
  4. Step 4: Simplify right side
    26,636x = 1,554,724,900
  5. Step 5: Solve for x
    x = 1,554,724,900/26,636
  6. Step 6: Final answer
    x = 58,369.31

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.