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Finding the Third Proportional to 8,519,523 and 18,338,121

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Solution

The third proportional to 8,519,523 and 18,338,121 is: 39,472,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,523 : 18,338,121 = 18,338,121 : x
  2. Step 2: Convert to fraction form
    8,519,523/18,338,121 = 18,338,121/x
  3. Step 3: Cross multiply
    8,519,523x = 18,338,121 × 18,338,121
  4. Step 4: Simplify right side
    8,519,523x = 336,286,681,810,641
  5. Step 5: Solve for x
    x = 336,286,681,810,641/8,519,523
  6. Step 6: Final answer
    x = 39,472,477.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.