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Finding the Third Proportional to 605,392 and 1,317,190

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Solution

The third proportional to 605,392 and 1,317,190 is: 2,865,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,392 : 1,317,190 = 1,317,190 : x
  2. Step 2: Convert to fraction form
    605,392/1,317,190 = 1,317,190/x
  3. Step 3: Cross multiply
    605,392x = 1,317,190 × 1,317,190
  4. Step 4: Simplify right side
    605,392x = 1,734,989,496,100
  5. Step 5: Solve for x
    x = 1,734,989,496,100/605,392
  6. Step 6: Final answer
    x = 2,865,894.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.