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Finding the Third Proportional to 13,466,659 and 20,894,720

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Solution

The third proportional to 13,466,659 and 20,894,720 is: 32,420,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,659 : 20,894,720 = 20,894,720 : x
  2. Step 2: Convert to fraction form
    13,466,659/20,894,720 = 20,894,720/x
  3. Step 3: Cross multiply
    13,466,659x = 20,894,720 × 20,894,720
  4. Step 4: Simplify right side
    13,466,659x = 436,589,323,878,400
  5. Step 5: Solve for x
    x = 436,589,323,878,400/13,466,659
  6. Step 6: Final answer
    x = 32,420,017.75

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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.