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Finding the Third Proportional to 4,121,567 and 8,929,203

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Solution

The third proportional to 4,121,567 and 8,929,203 is: 19,344,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,567 : 8,929,203 = 8,929,203 : x
  2. Step 2: Convert to fraction form
    4,121,567/8,929,203 = 8,929,203/x
  3. Step 3: Cross multiply
    4,121,567x = 8,929,203 × 8,929,203
  4. Step 4: Simplify right side
    4,121,567x = 79,730,666,215,209
  5. Step 5: Solve for x
    x = 79,730,666,215,209/4,121,567
  6. Step 6: Final answer
    x = 19,344,745.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.