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Finding the Third Proportional to 278,742 and 593,442

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Solution

The third proportional to 278,742 and 593,442 is: 1,263,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,742 : 593,442 = 593,442 : x
  2. Step 2: Convert to fraction form
    278,742/593,442 = 593,442/x
  3. Step 3: Cross multiply
    278,742x = 593,442 × 593,442
  4. Step 4: Simplify right side
    278,742x = 352,173,407,364
  5. Step 5: Solve for x
    x = 352,173,407,364/278,742
  6. Step 6: Final answer
    x = 1,263,438.62

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.