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Finding the Third Proportional to 208,657.13 and 327,672

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Solution

The third proportional to 208,657.13 and 327,672 is: 514,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,657.13 : 327,672 = 327,672 : x
  2. Step 2: Convert to fraction form
    208,657.13/327,672 = 327,672/x
  3. Step 3: Cross multiply
    208,657.13x = 327,672 × 327,672
  4. Step 4: Simplify right side
    208,657.13x = 107,368,939,584
  5. Step 5: Solve for x
    x = 107,368,939,584/208,657.13
  6. Step 6: Final answer
    x = 514,571.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.