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Finding the Third Proportional to 17,270 and 26,242

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Solution

The third proportional to 17,270 and 26,242 is: 39,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270 : 26,242 = 26,242 : x
  2. Step 2: Convert to fraction form
    17,270/26,242 = 26,242/x
  3. Step 3: Cross multiply
    17,270x = 26,242 × 26,242
  4. Step 4: Simplify right side
    17,270x = 688,642,564
  5. Step 5: Solve for x
    x = 688,642,564/17,270
  6. Step 6: Final answer
    x = 39,875.08

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.