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Finding the Third Proportional to 3,459 and 5,365

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Solution

The third proportional to 3,459 and 5,365 is: 8,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459 : 5,365 = 5,365 : x
  2. Step 2: Convert to fraction form
    3,459/5,365 = 5,365/x
  3. Step 3: Cross multiply
    3,459x = 5,365 × 5,365
  4. Step 4: Simplify right side
    3,459x = 28,783,225
  5. Step 5: Solve for x
    x = 28,783,225/3,459
  6. Step 6: Final answer
    x = 8,321.26

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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.