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Finding the Third Proportional to 4,372,947 and 6,859,242

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Solution

The third proportional to 4,372,947 and 6,859,242 is: 10,759,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372,947 : 6,859,242 = 6,859,242 : x
  2. Step 2: Convert to fraction form
    4,372,947/6,859,242 = 6,859,242/x
  3. Step 3: Cross multiply
    4,372,947x = 6,859,242 × 6,859,242
  4. Step 4: Simplify right side
    4,372,947x = 47,049,200,814,564
  5. Step 5: Solve for x
    x = 47,049,200,814,564/4,372,947
  6. Step 6: Final answer
    x = 10,759,151.85

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.