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Finding the Third Proportional to 11,278 and 17,352

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Solution

The third proportional to 11,278 and 17,352 is: 26,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278 : 17,352 = 17,352 : x
  2. Step 2: Convert to fraction form
    11,278/17,352 = 17,352/x
  3. Step 3: Cross multiply
    11,278x = 17,352 × 17,352
  4. Step 4: Simplify right side
    11,278x = 301,091,904
  5. Step 5: Solve for x
    x = 301,091,904/11,278
  6. Step 6: Final answer
    x = 26,697.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.