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Finding the Third Proportional to 18,015,286 and 38,829,916

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Solution

The third proportional to 18,015,286 and 38,829,916 is: 83,693,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,286 : 38,829,916 = 38,829,916 : x
  2. Step 2: Convert to fraction form
    18,015,286/38,829,916 = 38,829,916/x
  3. Step 3: Cross multiply
    18,015,286x = 38,829,916 × 38,829,916
  4. Step 4: Simplify right side
    18,015,286x = 1,507,762,376,567,056
  5. Step 5: Solve for x
    x = 1,507,762,376,567,056/18,015,286
  6. Step 6: Final answer
    x = 83,693,502.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.