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Finding the Third Proportional to 1,464 and 3,191.50

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Solution

The third proportional to 1,464 and 3,191.50 is: 6,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464 : 3,191.50 = 3,191.50 : x
  2. Step 2: Convert to fraction form
    1,464/3,191.50 = 3,191.50/x
  3. Step 3: Cross multiply
    1,464x = 3,191.50 × 3,191.50
  4. Step 4: Simplify right side
    1,464x = 10,185,672.25
  5. Step 5: Solve for x
    x = 10,185,672.25/1,464
  6. Step 6: Final answer
    x = 6,957.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.