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Finding the Third Proportional to 111,290.63 and 262,449.75

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Solution

The third proportional to 111,290.63 and 262,449.75 is: 618,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,290.63 : 262,449.75 = 262,449.75 : x
  2. Step 2: Convert to fraction form
    111,290.63/262,449.75 = 262,449.75/x
  3. Step 3: Cross multiply
    111,290.63x = 262,449.75 × 262,449.75
  4. Step 4: Simplify right side
    111,290.63x = 68,879,871,275.06
  5. Step 5: Solve for x
    x = 68,879,871,275.06/111,290.63
  6. Step 6: Final answer
    x = 618,918.90

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.