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Finding the Third Proportional to 207,738 and 325,412

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Solution

The third proportional to 207,738 and 325,412 is: 509,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,738 : 325,412 = 325,412 : x
  2. Step 2: Convert to fraction form
    207,738/325,412 = 325,412/x
  3. Step 3: Cross multiply
    207,738x = 325,412 × 325,412
  4. Step 4: Simplify right side
    207,738x = 105,892,969,744
  5. Step 5: Solve for x
    x = 105,892,969,744/207,738
  6. Step 6: Final answer
    x = 509,742.90

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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.