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Finding the Third Proportional to 303,660.50 and 432,570

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Solution

The third proportional to 303,660.50 and 432,570 is: 616,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,660.50 : 432,570 = 432,570 : x
  2. Step 2: Convert to fraction form
    303,660.50/432,570 = 432,570/x
  3. Step 3: Cross multiply
    303,660.50x = 432,570 × 432,570
  4. Step 4: Simplify right side
    303,660.50x = 187,116,804,900
  5. Step 5: Solve for x
    x = 187,116,804,900/303,660.50
  6. Step 6: Final answer
    x = 616,203.97

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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.