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Finding the Third Proportional to 17,609 and 26,417

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Solution

The third proportional to 17,609 and 26,417 is: 39,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609 : 26,417 = 26,417 : x
  2. Step 2: Convert to fraction form
    17,609/26,417 = 26,417/x
  3. Step 3: Cross multiply
    17,609x = 26,417 × 26,417
  4. Step 4: Simplify right side
    17,609x = 697,857,889
  5. Step 5: Solve for x
    x = 697,857,889/17,609
  6. Step 6: Final answer
    x = 39,630.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.