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Finding the Third Proportional to 922.88 and 1,292.44

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Solution

The third proportional to 922.88 and 1,292.44 is: 1,809.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.88 : 1,292.44 = 1,292.44 : x
  2. Step 2: Convert to fraction form
    922.88/1,292.44 = 1,292.44/x
  3. Step 3: Cross multiply
    922.88x = 1,292.44 × 1,292.44
  4. Step 4: Simplify right side
    922.88x = 1,670,394.69
  5. Step 5: Solve for x
    x = 1,670,394.69/922.88
  6. Step 6: Final answer
    x = 1,809.99

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.