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Finding the Third Proportional to 432,263.25 and 939,279

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Solution

The third proportional to 432,263.25 and 939,279 is: 2,040,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,263.25 : 939,279 = 939,279 : x
  2. Step 2: Convert to fraction form
    432,263.25/939,279 = 939,279/x
  3. Step 3: Cross multiply
    432,263.25x = 939,279 × 939,279
  4. Step 4: Simplify right side
    432,263.25x = 882,245,039,841
  5. Step 5: Solve for x
    x = 882,245,039,841/432,263.25
  6. Step 6: Final answer
    x = 2,040,990.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.