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Finding the Third Proportional to 8,205,451 and 17,855,779

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Solution

The third proportional to 8,205,451 and 17,855,779 is: 38,855,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,451 : 17,855,779 = 17,855,779 : x
  2. Step 2: Convert to fraction form
    8,205,451/17,855,779 = 17,855,779/x
  3. Step 3: Cross multiply
    8,205,451x = 17,855,779 × 17,855,779
  4. Step 4: Simplify right side
    8,205,451x = 318,828,843,696,841
  5. Step 5: Solve for x
    x = 318,828,843,696,841/8,205,451
  6. Step 6: Final answer
    x = 38,855,736.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.