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Finding the Third Proportional to 743.06 and 953.44

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Solution

The third proportional to 743.06 and 953.44 is: 1,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.06 : 953.44 = 953.44 : x
  2. Step 2: Convert to fraction form
    743.06/953.44 = 953.44/x
  3. Step 3: Cross multiply
    743.06x = 953.44 × 953.44
  4. Step 4: Simplify right side
    743.06x = 909,043.07
  5. Step 5: Solve for x
    x = 909,043.07/743.06
  6. Step 6: Final answer
    x = 1,223.37

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.