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Finding the Third Proportional to 1,458.75 and 3,147.94

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Solution

The third proportional to 1,458.75 and 3,147.94 is: 6,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.75 : 3,147.94 = 3,147.94 : x
  2. Step 2: Convert to fraction form
    1,458.75/3,147.94 = 3,147.94/x
  3. Step 3: Cross multiply
    1,458.75x = 3,147.94 × 3,147.94
  4. Step 4: Simplify right side
    1,458.75x = 9,909,510.50
  5. Step 5: Solve for x
    x = 9,909,510.50/1,458.75
  6. Step 6: Final answer
    x = 6,793.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.