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Finding the Third Proportional to 302,470 and 446,787

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Solution

The third proportional to 302,470 and 446,787 is: 659,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,470 : 446,787 = 446,787 : x
  2. Step 2: Convert to fraction form
    302,470/446,787 = 446,787/x
  3. Step 3: Cross multiply
    302,470x = 446,787 × 446,787
  4. Step 4: Simplify right side
    302,470x = 199,618,623,369
  5. Step 5: Solve for x
    x = 199,618,623,369/302,470
  6. Step 6: Final answer
    x = 659,961.73

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.