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Finding the Third Proportional to 554,562 and 828,147

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Solution

The third proportional to 554,562 and 828,147 is: 1,236,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,562 : 828,147 = 828,147 : x
  2. Step 2: Convert to fraction form
    554,562/828,147 = 828,147/x
  3. Step 3: Cross multiply
    554,562x = 828,147 × 828,147
  4. Step 4: Simplify right side
    554,562x = 685,827,453,609
  5. Step 5: Solve for x
    x = 685,827,453,609/554,562
  6. Step 6: Final answer
    x = 1,236,701.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.