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Finding the Third Proportional to 414,461 and 623,230

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Solution

The third proportional to 414,461 and 623,230 is: 937,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,461 : 623,230 = 623,230 : x
  2. Step 2: Convert to fraction form
    414,461/623,230 = 623,230/x
  3. Step 3: Cross multiply
    414,461x = 623,230 × 623,230
  4. Step 4: Simplify right side
    414,461x = 388,415,632,900
  5. Step 5: Solve for x
    x = 388,415,632,900/414,461
  6. Step 6: Final answer
    x = 937,158.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.