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Finding the Third Proportional to 578,354 and 1,226,690

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Solution

The third proportional to 578,354 and 1,226,690 is: 2,601,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,354 : 1,226,690 = 1,226,690 : x
  2. Step 2: Convert to fraction form
    578,354/1,226,690 = 1,226,690/x
  3. Step 3: Cross multiply
    578,354x = 1,226,690 × 1,226,690
  4. Step 4: Simplify right side
    578,354x = 1,504,768,356,100
  5. Step 5: Solve for x
    x = 1,504,768,356,100/578,354
  6. Step 6: Final answer
    x = 2,601,811.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.