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Finding the Third Proportional to 8,614,890 and 13,337,742

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Solution

The third proportional to 8,614,890 and 13,337,742 is: 20,649,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614,890 : 13,337,742 = 13,337,742 : x
  2. Step 2: Convert to fraction form
    8,614,890/13,337,742 = 13,337,742/x
  3. Step 3: Cross multiply
    8,614,890x = 13,337,742 × 13,337,742
  4. Step 4: Simplify right side
    8,614,890x = 177,895,361,658,564
  5. Step 5: Solve for x
    x = 177,895,361,658,564/8,614,890
  6. Step 6: Final answer
    x = 20,649,754.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.