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Finding the Third Proportional to 18,294 and 28,269

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Solution

The third proportional to 18,294 and 28,269 is: 43,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294 : 28,269 = 28,269 : x
  2. Step 2: Convert to fraction form
    18,294/28,269 = 28,269/x
  3. Step 3: Cross multiply
    18,294x = 28,269 × 28,269
  4. Step 4: Simplify right side
    18,294x = 799,136,361
  5. Step 5: Solve for x
    x = 799,136,361/18,294
  6. Step 6: Final answer
    x = 43,682.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.