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Finding the Third Proportional to 664,934 and 997,143

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Solution

The third proportional to 664,934 and 997,143 is: 1,495,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,934 : 997,143 = 997,143 : x
  2. Step 2: Convert to fraction form
    664,934/997,143 = 997,143/x
  3. Step 3: Cross multiply
    664,934x = 997,143 × 997,143
  4. Step 4: Simplify right side
    664,934x = 994,294,162,449
  5. Step 5: Solve for x
    x = 994,294,162,449/664,934
  6. Step 6: Final answer
    x = 1,495,327.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.