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Finding the Third Proportional to 8,598,720 and 18,769,248

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Solution

The third proportional to 8,598,720 and 18,769,248 is: 40,969,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598,720 : 18,769,248 = 18,769,248 : x
  2. Step 2: Convert to fraction form
    8,598,720/18,769,248 = 18,769,248/x
  3. Step 3: Cross multiply
    8,598,720x = 18,769,248 × 18,769,248
  4. Step 4: Simplify right side
    8,598,720x = 352,284,670,485,504
  5. Step 5: Solve for x
    x = 352,284,670,485,504/8,598,720
  6. Step 6: Final answer
    x = 40,969,431.55

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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.