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Finding the Third Proportional to 4,378,955 and 6,973,163

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Solution

The third proportional to 4,378,955 and 6,973,163 is: 11,104,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,955 : 6,973,163 = 6,973,163 : x
  2. Step 2: Convert to fraction form
    4,378,955/6,973,163 = 6,973,163/x
  3. Step 3: Cross multiply
    4,378,955x = 6,973,163 × 6,973,163
  4. Step 4: Simplify right side
    4,378,955x = 48,625,002,224,569
  5. Step 5: Solve for x
    x = 48,625,002,224,569/4,378,955
  6. Step 6: Final answer
    x = 11,104,247.98

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.