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Finding the Third Proportional to 4,421,057 and 7,030,172

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Solution

The third proportional to 4,421,057 and 7,030,172 is: 11,179,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421,057 : 7,030,172 = 7,030,172 : x
  2. Step 2: Convert to fraction form
    4,421,057/7,030,172 = 7,030,172/x
  3. Step 3: Cross multiply
    4,421,057x = 7,030,172 × 7,030,172
  4. Step 4: Simplify right side
    4,421,057x = 49,423,318,349,584
  5. Step 5: Solve for x
    x = 49,423,318,349,584/4,421,057
  6. Step 6: Final answer
    x = 11,179,072.87

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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.