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Finding the Third Proportional to 8,389,368 and 18,379,395

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Solution

The third proportional to 8,389,368 and 18,379,395 is: 40,265,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,368 : 18,379,395 = 18,379,395 : x
  2. Step 2: Convert to fraction form
    8,389,368/18,379,395 = 18,379,395/x
  3. Step 3: Cross multiply
    8,389,368x = 18,379,395 × 18,379,395
  4. Step 4: Simplify right side
    8,389,368x = 337,802,160,566,025
  5. Step 5: Solve for x
    x = 337,802,160,566,025/8,389,368
  6. Step 6: Final answer
    x = 40,265,507.55

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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.