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Finding the Third Proportional to 297,934 and 648,284

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Solution

The third proportional to 297,934 and 648,284 is: 1,410,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,934 : 648,284 = 648,284 : x
  2. Step 2: Convert to fraction form
    297,934/648,284 = 648,284/x
  3. Step 3: Cross multiply
    297,934x = 648,284 × 648,284
  4. Step 4: Simplify right side
    297,934x = 420,272,144,656
  5. Step 5: Solve for x
    x = 420,272,144,656/297,934
  6. Step 6: Final answer
    x = 1,410,621.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.