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Finding the Third Proportional to 1,464 and 3,211.50

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Solution

The third proportional to 1,464 and 3,211.50 is: 7,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464 : 3,211.50 = 3,211.50 : x
  2. Step 2: Convert to fraction form
    1,464/3,211.50 = 3,211.50/x
  3. Step 3: Cross multiply
    1,464x = 3,211.50 × 3,211.50
  4. Step 4: Simplify right side
    1,464x = 10,313,732.25
  5. Step 5: Solve for x
    x = 10,313,732.25/1,464
  6. Step 6: Final answer
    x = 7,044.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.