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Finding the Third Proportional to 8,719,495 and 18,771,601

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Solution

The third proportional to 8,719,495 and 18,771,601 is: 40,412,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,495 : 18,771,601 = 18,771,601 : x
  2. Step 2: Convert to fraction form
    8,719,495/18,771,601 = 18,771,601/x
  3. Step 3: Cross multiply
    8,719,495x = 18,771,601 × 18,771,601
  4. Step 4: Simplify right side
    8,719,495x = 352,373,004,103,201
  5. Step 5: Solve for x
    x = 352,373,004,103,201/8,719,495
  6. Step 6: Final answer
    x = 40,412,088.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.