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Finding the Third Proportional to 9,936,530 and 21,289,588

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Solution

The third proportional to 9,936,530 and 21,289,588 is: 45,614,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,530 : 21,289,588 = 21,289,588 : x
  2. Step 2: Convert to fraction form
    9,936,530/21,289,588 = 21,289,588/x
  3. Step 3: Cross multiply
    9,936,530x = 21,289,588 × 21,289,588
  4. Step 4: Simplify right side
    9,936,530x = 453,246,557,209,744
  5. Step 5: Solve for x
    x = 453,246,557,209,744/9,936,530
  6. Step 6: Final answer
    x = 45,614,168.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.