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Finding the Third Proportional to 320,151 and 463,698

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Solution

The third proportional to 320,151 and 463,698 is: 671,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,151 : 463,698 = 463,698 : x
  2. Step 2: Convert to fraction form
    320,151/463,698 = 463,698/x
  3. Step 3: Cross multiply
    320,151x = 463,698 × 463,698
  4. Step 4: Simplify right side
    320,151x = 215,015,835,204
  5. Step 5: Solve for x
    x = 215,015,835,204/320,151
  6. Step 6: Final answer
    x = 671,607.57

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.