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Finding the Third Proportional to 442.97 and 955.55

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Solution

The third proportional to 442.97 and 955.55 is: 2,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.97 : 955.55 = 955.55 : x
  2. Step 2: Convert to fraction form
    442.97/955.55 = 955.55/x
  3. Step 3: Cross multiply
    442.97x = 955.55 × 955.55
  4. Step 4: Simplify right side
    442.97x = 913,069.83
  5. Step 5: Solve for x
    x = 913,069.83/442.97
  6. Step 6: Final answer
    x = 2,061.25

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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.