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Finding the Third Proportional to 15,278 and 23,132

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Solution

The third proportional to 15,278 and 23,132 is: 35,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278 : 23,132 = 23,132 : x
  2. Step 2: Convert to fraction form
    15,278/23,132 = 23,132/x
  3. Step 3: Cross multiply
    15,278x = 23,132 × 23,132
  4. Step 4: Simplify right side
    15,278x = 535,089,424
  5. Step 5: Solve for x
    x = 535,089,424/15,278
  6. Step 6: Final answer
    x = 35,023.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.