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Finding the Third Proportional to 8,389,323 and 18,379,329

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Solution

The third proportional to 8,389,323 and 18,379,329 is: 40,265,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,323 : 18,379,329 = 18,379,329 : x
  2. Step 2: Convert to fraction form
    8,389,323/18,379,329 = 18,379,329/x
  3. Step 3: Cross multiply
    8,389,323x = 18,379,329 × 18,379,329
  4. Step 4: Simplify right side
    8,389,323x = 337,799,734,490,241
  5. Step 5: Solve for x
    x = 337,799,734,490,241/8,389,323
  6. Step 6: Final answer
    x = 40,265,434.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.