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Finding the Third Proportional to 8,538,604 and 18,738,440

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Solution

The third proportional to 8,538,604 and 18,738,440 is: 41,122,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,604 : 18,738,440 = 18,738,440 : x
  2. Step 2: Convert to fraction form
    8,538,604/18,738,440 = 18,738,440/x
  3. Step 3: Cross multiply
    8,538,604x = 18,738,440 × 18,738,440
  4. Step 4: Simplify right side
    8,538,604x = 351,129,133,633,600
  5. Step 5: Solve for x
    x = 351,129,133,633,600/8,538,604
  6. Step 6: Final answer
    x = 41,122,545.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.