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Finding the Third Proportional to 4,281.75 and 7,292.25

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Solution

The third proportional to 4,281.75 and 7,292.25 is: 12,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.75 : 7,292.25 = 7,292.25 : x
  2. Step 2: Convert to fraction form
    4,281.75/7,292.25 = 7,292.25/x
  3. Step 3: Cross multiply
    4,281.75x = 7,292.25 × 7,292.25
  4. Step 4: Simplify right side
    4,281.75x = 53,176,910.06
  5. Step 5: Solve for x
    x = 53,176,910.06/4,281.75
  6. Step 6: Final answer
    x = 12,419.43

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.