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Finding the Third Proportional to 15,322 and 23,489

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Solution

The third proportional to 15,322 and 23,489 is: 36,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322 : 23,489 = 23,489 : x
  2. Step 2: Convert to fraction form
    15,322/23,489 = 23,489/x
  3. Step 3: Cross multiply
    15,322x = 23,489 × 23,489
  4. Step 4: Simplify right side
    15,322x = 551,733,121
  5. Step 5: Solve for x
    x = 551,733,121/15,322
  6. Step 6: Final answer
    x = 36,009.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.