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Finding the Third Proportional to 18,389,267 and 39,020,073

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Solution

The third proportional to 18,389,267 and 39,020,073 is: 82,796,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,267 : 39,020,073 = 39,020,073 : x
  2. Step 2: Convert to fraction form
    18,389,267/39,020,073 = 39,020,073/x
  3. Step 3: Cross multiply
    18,389,267x = 39,020,073 × 39,020,073
  4. Step 4: Simplify right side
    18,389,267x = 1,522,566,096,925,329
  5. Step 5: Solve for x
    x = 1,522,566,096,925,329/18,389,267
  6. Step 6: Final answer
    x = 82,796,453.87

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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.