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Finding the Third Proportional to 13,466,661 and 20,894,722.50

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Solution

The third proportional to 13,466,661 and 20,894,722.50 is: 32,420,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,661 : 20,894,722.50 = 20,894,722.50 : x
  2. Step 2: Convert to fraction form
    13,466,661/20,894,722.50 = 20,894,722.50/x
  3. Step 3: Cross multiply
    13,466,661x = 20,894,722.50 × 20,894,722.50
  4. Step 4: Simplify right side
    13,466,661x = 436,589,428,352,006.25
  5. Step 5: Solve for x
    x = 436,589,428,352,006.25/13,466,661
  6. Step 6: Final answer
    x = 32,420,020.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.