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Finding the Third Proportional to 5,387,446.50 and 11,970,639

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Solution

The third proportional to 5,387,446.50 and 11,970,639 is: 26,598,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,446.50 : 11,970,639 = 11,970,639 : x
  2. Step 2: Convert to fraction form
    5,387,446.50/11,970,639 = 11,970,639/x
  3. Step 3: Cross multiply
    5,387,446.50x = 11,970,639 × 11,970,639
  4. Step 4: Simplify right side
    5,387,446.50x = 143,296,198,068,321
  5. Step 5: Solve for x
    x = 143,296,198,068,321/5,387,446.50
  6. Step 6: Final answer
    x = 26,598,166.32

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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.