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Finding the Third Proportional to 20,819,007 and 45,109,605

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Solution

The third proportional to 20,819,007 and 45,109,605 is: 97,741,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,007 : 45,109,605 = 45,109,605 : x
  2. Step 2: Convert to fraction form
    20,819,007/45,109,605 = 45,109,605/x
  3. Step 3: Cross multiply
    20,819,007x = 45,109,605 × 45,109,605
  4. Step 4: Simplify right side
    20,819,007x = 2,034,876,463,256,025
  5. Step 5: Solve for x
    x = 2,034,876,463,256,025/20,819,007
  6. Step 6: Final answer
    x = 97,741,283.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.