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Finding the Third Proportional to 3,459 and 7,273.50

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Solution

The third proportional to 3,459 and 7,273.50 is: 15,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459 : 7,273.50 = 7,273.50 : x
  2. Step 2: Convert to fraction form
    3,459/7,273.50 = 7,273.50/x
  3. Step 3: Cross multiply
    3,459x = 7,273.50 × 7,273.50
  4. Step 4: Simplify right side
    3,459x = 52,903,802.25
  5. Step 5: Solve for x
    x = 52,903,802.25/3,459
  6. Step 6: Final answer
    x = 15,294.54

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.