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Finding the Third Proportional to 8,939,854 and 19,308,638

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Solution

The third proportional to 8,939,854 and 19,308,638 is: 41,703,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,854 : 19,308,638 = 19,308,638 : x
  2. Step 2: Convert to fraction form
    8,939,854/19,308,638 = 19,308,638/x
  3. Step 3: Cross multiply
    8,939,854x = 19,308,638 × 19,308,638
  4. Step 4: Simplify right side
    8,939,854x = 372,823,501,415,044
  5. Step 5: Solve for x
    x = 372,823,501,415,044/8,939,854
  6. Step 6: Final answer
    x = 41,703,533.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.