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Finding the Third Proportional to 8,326,538.44 and 12,489,805.13

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Solution

The third proportional to 8,326,538.44 and 12,489,805.13 is: 18,734,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326,538.44 : 12,489,805.13 = 12,489,805.13 : x
  2. Step 2: Convert to fraction form
    8,326,538.44/12,489,805.13 = 12,489,805.13/x
  3. Step 3: Cross multiply
    8,326,538.44x = 12,489,805.13 × 12,489,805.13
  4. Step 4: Simplify right side
    8,326,538.44x = 155,995,232,060,476.25
  5. Step 5: Solve for x
    x = 155,995,232,060,476.25/8,326,538.44
  6. Step 6: Final answer
    x = 18,734,703.89

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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.