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Finding the Third Proportional to 5,387,429 and 11,970,600

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Solution

The third proportional to 5,387,429 and 11,970,600 is: 26,598,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,429 : 11,970,600 = 11,970,600 : x
  2. Step 2: Convert to fraction form
    5,387,429/11,970,600 = 11,970,600/x
  3. Step 3: Cross multiply
    5,387,429x = 11,970,600 × 11,970,600
  4. Step 4: Simplify right side
    5,387,429x = 143,295,264,360,000
  5. Step 5: Solve for x
    x = 143,295,264,360,000/5,387,429
  6. Step 6: Final answer
    x = 26,598,079.41

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.