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Finding the Third Proportional to 290,610 and 437,591

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Solution

The third proportional to 290,610 and 437,591 is: 658,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,610 : 437,591 = 437,591 : x
  2. Step 2: Convert to fraction form
    290,610/437,591 = 437,591/x
  3. Step 3: Cross multiply
    290,610x = 437,591 × 437,591
  4. Step 4: Simplify right side
    290,610x = 191,485,883,281
  5. Step 5: Solve for x
    x = 191,485,883,281/290,610
  6. Step 6: Final answer
    x = 658,910.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.