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Finding the Third Proportional to 302,505 and 664,060.50

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Solution

The third proportional to 302,505 and 664,060.50 is: 1,457,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,505 : 664,060.50 = 664,060.50 : x
  2. Step 2: Convert to fraction form
    302,505/664,060.50 = 664,060.50/x
  3. Step 3: Cross multiply
    302,505x = 664,060.50 × 664,060.50
  4. Step 4: Simplify right side
    302,505x = 440,976,347,660.25
  5. Step 5: Solve for x
    x = 440,976,347,660.25/302,505
  6. Step 6: Final answer
    x = 1,457,748.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.