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Finding the Third Proportional to 303,670.50 and 432,586.50

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Solution

The third proportional to 303,670.50 and 432,586.50 is: 616,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670.50 : 432,586.50 = 432,586.50 : x
  2. Step 2: Convert to fraction form
    303,670.50/432,586.50 = 432,586.50/x
  3. Step 3: Cross multiply
    303,670.50x = 432,586.50 × 432,586.50
  4. Step 4: Simplify right side
    303,670.50x = 187,131,079,982.25
  5. Step 5: Solve for x
    x = 187,131,079,982.25/303,670.50
  6. Step 6: Final answer
    x = 616,230.68

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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.