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Finding the Third Proportional to 8,326,535 and 12,489,801

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Solution

The third proportional to 8,326,535 and 12,489,801 is: 18,734,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326,535 : 12,489,801 = 12,489,801 : x
  2. Step 2: Convert to fraction form
    8,326,535/12,489,801 = 12,489,801/x
  3. Step 3: Cross multiply
    8,326,535x = 12,489,801 × 12,489,801
  4. Step 4: Simplify right side
    8,326,535x = 155,995,129,019,601
  5. Step 5: Solve for x
    x = 155,995,129,019,601/8,326,535
  6. Step 6: Final answer
    x = 18,734,699.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.