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Finding the Third Proportional to 5,415,447 and 11,893,668

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Solution

The third proportional to 5,415,447 and 11,893,668 is: 26,121,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,447 : 11,893,668 = 11,893,668 : x
  2. Step 2: Convert to fraction form
    5,415,447/11,893,668 = 11,893,668/x
  3. Step 3: Cross multiply
    5,415,447x = 11,893,668 × 11,893,668
  4. Step 4: Simplify right side
    5,415,447x = 141,459,338,494,224
  5. Step 5: Solve for x
    x = 141,459,338,494,224/5,415,447
  6. Step 6: Final answer
    x = 26,121,451.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.