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Finding the Third Proportional to 18,334,836 and 38,855,292

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Solution

The third proportional to 18,334,836 and 38,855,292 is: 82,342,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334,836 : 38,855,292 = 38,855,292 : x
  2. Step 2: Convert to fraction form
    18,334,836/38,855,292 = 38,855,292/x
  3. Step 3: Cross multiply
    18,334,836x = 38,855,292 × 38,855,292
  4. Step 4: Simplify right side
    18,334,836x = 1,509,733,716,405,264
  5. Step 5: Solve for x
    x = 1,509,733,716,405,264/18,334,836
  6. Step 6: Final answer
    x = 82,342,362.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.