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Finding the Third Proportional to 187,006.50 and 397,354.50

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Solution

The third proportional to 187,006.50 and 397,354.50 is: 844,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,006.50 : 397,354.50 = 397,354.50 : x
  2. Step 2: Convert to fraction form
    187,006.50/397,354.50 = 397,354.50/x
  3. Step 3: Cross multiply
    187,006.50x = 397,354.50 × 397,354.50
  4. Step 4: Simplify right side
    187,006.50x = 157,890,598,670.25
  5. Step 5: Solve for x
    x = 157,890,598,670.25/187,006.50
  6. Step 6: Final answer
    x = 844,305.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.