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Finding the Third Proportional to 320,339 and 463,984

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Solution

The third proportional to 320,339 and 463,984 is: 672,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,339 : 463,984 = 463,984 : x
  2. Step 2: Convert to fraction form
    320,339/463,984 = 463,984/x
  3. Step 3: Cross multiply
    320,339x = 463,984 × 463,984
  4. Step 4: Simplify right side
    320,339x = 215,281,152,256
  5. Step 5: Solve for x
    x = 215,281,152,256/320,339
  6. Step 6: Final answer
    x = 672,041.66

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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.