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Finding the Third Proportional to 1,307.07 and 1,922.17

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Solution

The third proportional to 1,307.07 and 1,922.17 is: 2,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307.07 : 1,922.17 = 1,922.17 : x
  2. Step 2: Convert to fraction form
    1,307.07/1,922.17 = 1,922.17/x
  3. Step 3: Cross multiply
    1,307.07x = 1,922.17 × 1,922.17
  4. Step 4: Simplify right side
    1,307.07x = 3,694,729.70
  5. Step 5: Solve for x
    x = 3,694,729.70/1,307.07
  6. Step 6: Final answer
    x = 2,826.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.