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Finding the Third Proportional to 5,320,771 and 8,254,430

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Solution

The third proportional to 5,320,771 and 8,254,430 is: 12,805,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,771 : 8,254,430 = 8,254,430 : x
  2. Step 2: Convert to fraction form
    5,320,771/8,254,430 = 8,254,430/x
  3. Step 3: Cross multiply
    5,320,771x = 8,254,430 × 8,254,430
  4. Step 4: Simplify right side
    5,320,771x = 68,135,614,624,900
  5. Step 5: Solve for x
    x = 68,135,614,624,900/5,320,771
  6. Step 6: Final answer
    x = 12,805,590.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.