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Finding the Third Proportional to 18,496 and 28,365

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Solution

The third proportional to 18,496 and 28,365 is: 43,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496 : 28,365 = 28,365 : x
  2. Step 2: Convert to fraction form
    18,496/28,365 = 28,365/x
  3. Step 3: Cross multiply
    18,496x = 28,365 × 28,365
  4. Step 4: Simplify right side
    18,496x = 804,573,225
  5. Step 5: Solve for x
    x = 804,573,225/18,496
  6. Step 6: Final answer
    x = 43,499.85

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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.