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Finding the Third Proportional to 247,268 and 370,731

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Solution

The third proportional to 247,268 and 370,731 is: 555,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,268 : 370,731 = 370,731 : x
  2. Step 2: Convert to fraction form
    247,268/370,731 = 370,731/x
  3. Step 3: Cross multiply
    247,268x = 370,731 × 370,731
  4. Step 4: Simplify right side
    247,268x = 137,441,474,361
  5. Step 5: Solve for x
    x = 137,441,474,361/247,268
  6. Step 6: Final answer
    x = 555,840.12

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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.