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Finding the Third Proportional to 8,386,868 and 18,343,999

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Solution

The third proportional to 8,386,868 and 18,343,999 is: 40,122,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,868 : 18,343,999 = 18,343,999 : x
  2. Step 2: Convert to fraction form
    8,386,868/18,343,999 = 18,343,999/x
  3. Step 3: Cross multiply
    8,386,868x = 18,343,999 × 18,343,999
  4. Step 4: Simplify right side
    8,386,868x = 336,502,299,312,001
  5. Step 5: Solve for x
    x = 336,502,299,312,001/8,386,868
  6. Step 6: Final answer
    x = 40,122,522.41

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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.