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Finding the Third Proportional to 11,939,739 and 18,936,537

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Solution

The third proportional to 11,939,739 and 18,936,537 is: 30,033,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,739 : 18,936,537 = 18,936,537 : x
  2. Step 2: Convert to fraction form
    11,939,739/18,936,537 = 18,936,537/x
  3. Step 3: Cross multiply
    11,939,739x = 18,936,537 × 18,936,537
  4. Step 4: Simplify right side
    11,939,739x = 358,592,433,552,369
  5. Step 5: Solve for x
    x = 358,592,433,552,369/11,939,739
  6. Step 6: Final answer
    x = 30,033,523.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.