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Finding the Third Proportional to 282,536 and 426,684

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Solution

The third proportional to 282,536 and 426,684 is: 644,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,536 : 426,684 = 426,684 : x
  2. Step 2: Convert to fraction form
    282,536/426,684 = 426,684/x
  3. Step 3: Cross multiply
    282,536x = 426,684 × 426,684
  4. Step 4: Simplify right side
    282,536x = 182,059,235,856
  5. Step 5: Solve for x
    x = 182,059,235,856/282,536
  6. Step 6: Final answer
    x = 644,375.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.