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Finding the Third Proportional to 18,185,663 and 38,892,910

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Solution

The third proportional to 18,185,663 and 38,892,910 is: 83,178,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,663 : 38,892,910 = 38,892,910 : x
  2. Step 2: Convert to fraction form
    18,185,663/38,892,910 = 38,892,910/x
  3. Step 3: Cross multiply
    18,185,663x = 38,892,910 × 38,892,910
  4. Step 4: Simplify right side
    18,185,663x = 1,512,658,448,268,100
  5. Step 5: Solve for x
    x = 1,512,658,448,268,100/18,185,663
  6. Step 6: Final answer
    x = 83,178,625.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.