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Finding the Third Proportional to 238,738.50 and 372,638.25

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Solution

The third proportional to 238,738.50 and 372,638.25 is: 581,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,738.50 : 372,638.25 = 372,638.25 : x
  2. Step 2: Convert to fraction form
    238,738.50/372,638.25 = 372,638.25/x
  3. Step 3: Cross multiply
    238,738.50x = 372,638.25 × 372,638.25
  4. Step 4: Simplify right side
    238,738.50x = 138,859,265,363.06
  5. Step 5: Solve for x
    x = 138,859,265,363.06/238,738.50
  6. Step 6: Final answer
    x = 581,637.50

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.