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Finding the Third Proportional to 477,672 and 679,092

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Solution

The third proportional to 477,672 and 679,092 is: 965,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,672 : 679,092 = 679,092 : x
  2. Step 2: Convert to fraction form
    477,672/679,092 = 679,092/x
  3. Step 3: Cross multiply
    477,672x = 679,092 × 679,092
  4. Step 4: Simplify right side
    477,672x = 461,165,944,464
  5. Step 5: Solve for x
    x = 461,165,944,464/477,672
  6. Step 6: Final answer
    x = 965,444.79

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.