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Finding the Third Proportional to 3,630,708 and 7,821,586

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Solution

The third proportional to 3,630,708 and 7,821,586 is: 16,849,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,708 : 7,821,586 = 7,821,586 : x
  2. Step 2: Convert to fraction form
    3,630,708/7,821,586 = 7,821,586/x
  3. Step 3: Cross multiply
    3,630,708x = 7,821,586 × 7,821,586
  4. Step 4: Simplify right side
    3,630,708x = 61,177,207,555,396
  5. Step 5: Solve for x
    x = 61,177,207,555,396/3,630,708
  6. Step 6: Final answer
    x = 16,849,938.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.