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Finding the Third Proportional to 18,189,336 and 38,759,820

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Solution

The third proportional to 18,189,336 and 38,759,820 is: 82,593,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,336 : 38,759,820 = 38,759,820 : x
  2. Step 2: Convert to fraction form
    18,189,336/38,759,820 = 38,759,820/x
  3. Step 3: Cross multiply
    18,189,336x = 38,759,820 × 38,759,820
  4. Step 4: Simplify right side
    18,189,336x = 1,502,323,646,432,400
  5. Step 5: Solve for x
    x = 1,502,323,646,432,400/18,189,336
  6. Step 6: Final answer
    x = 82,593,649.73

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.