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Finding the Third Proportional to 11,817,538 and 25,705,625

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Solution

The third proportional to 11,817,538 and 25,705,625 is: 55,915,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,538 : 25,705,625 = 25,705,625 : x
  2. Step 2: Convert to fraction form
    11,817,538/25,705,625 = 25,705,625/x
  3. Step 3: Cross multiply
    11,817,538x = 25,705,625 × 25,705,625
  4. Step 4: Simplify right side
    11,817,538x = 660,779,156,640,625
  5. Step 5: Solve for x
    x = 660,779,156,640,625/11,817,538
  6. Step 6: Final answer
    x = 55,915,128.57

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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.