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Finding the Third Proportional to 455,528 and 996,858

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Solution

The third proportional to 455,528 and 996,858 is: 2,181,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,528 : 996,858 = 996,858 : x
  2. Step 2: Convert to fraction form
    455,528/996,858 = 996,858/x
  3. Step 3: Cross multiply
    455,528x = 996,858 × 996,858
  4. Step 4: Simplify right side
    455,528x = 993,725,872,164
  5. Step 5: Solve for x
    x = 993,725,872,164/455,528
  6. Step 6: Final answer
    x = 2,181,481.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.