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Finding the Third Proportional to 725.06 and 828.84

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Solution

The third proportional to 725.06 and 828.84 is: 947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.06 : 828.84 = 828.84 : x
  2. Step 2: Convert to fraction form
    725.06/828.84 = 828.84/x
  3. Step 3: Cross multiply
    725.06x = 828.84 × 828.84
  4. Step 4: Simplify right side
    725.06x = 686,981.96
  5. Step 5: Solve for x
    x = 686,981.96/725.06
  6. Step 6: Final answer
    x = 947.48

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.