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Finding the Third Proportional to 132,194 and 290,632

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Solution

The third proportional to 132,194 and 290,632 is: 638,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,194 : 290,632 = 290,632 : x
  2. Step 2: Convert to fraction form
    132,194/290,632 = 290,632/x
  3. Step 3: Cross multiply
    132,194x = 290,632 × 290,632
  4. Step 4: Simplify right side
    132,194x = 84,466,959,424
  5. Step 5: Solve for x
    x = 84,466,959,424/132,194
  6. Step 6: Final answer
    x = 638,962.13

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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.