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Finding the Third Proportional to 18,228,498 and 39,339,108

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Solution

The third proportional to 18,228,498 and 39,339,108 is: 84,898,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228,498 : 39,339,108 = 39,339,108 : x
  2. Step 2: Convert to fraction form
    18,228,498/39,339,108 = 39,339,108/x
  3. Step 3: Cross multiply
    18,228,498x = 39,339,108 × 39,339,108
  4. Step 4: Simplify right side
    18,228,498x = 1,547,565,418,235,664
  5. Step 5: Solve for x
    x = 1,547,565,418,235,664/18,228,498
  6. Step 6: Final answer
    x = 84,898,131.39

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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.