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Finding the Third Proportional to 6,917,021 and 11,050,100

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Solution

The third proportional to 6,917,021 and 11,050,100 is: 17,652,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,021 : 11,050,100 = 11,050,100 : x
  2. Step 2: Convert to fraction form
    6,917,021/11,050,100 = 11,050,100/x
  3. Step 3: Cross multiply
    6,917,021x = 11,050,100 × 11,050,100
  4. Step 4: Simplify right side
    6,917,021x = 122,104,710,010,000
  5. Step 5: Solve for x
    x = 122,104,710,010,000/6,917,021
  6. Step 6: Final answer
    x = 17,652,788.68

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.