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Finding the Third Proportional to 123,023.63 and 255,863.63

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Solution

The third proportional to 123,023.63 and 255,863.63 is: 532,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,023.63 : 255,863.63 = 255,863.63 : x
  2. Step 2: Convert to fraction form
    123,023.63/255,863.63 = 255,863.63/x
  3. Step 3: Cross multiply
    123,023.63x = 255,863.63 × 255,863.63
  4. Step 4: Simplify right side
    123,023.63x = 65,466,194,598.14
  5. Step 5: Solve for x
    x = 65,466,194,598.14/123,023.63
  6. Step 6: Final answer
    x = 532,143.27

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.