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Finding the Third Proportional to 230,626 and 506,655

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Solution

The third proportional to 230,626 and 506,655 is: 1,113,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,626 : 506,655 = 506,655 : x
  2. Step 2: Convert to fraction form
    230,626/506,655 = 506,655/x
  3. Step 3: Cross multiply
    230,626x = 506,655 × 506,655
  4. Step 4: Simplify right side
    230,626x = 256,699,289,025
  5. Step 5: Solve for x
    x = 256,699,289,025/230,626
  6. Step 6: Final answer
    x = 1,113,054.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.