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Finding the Third Proportional to 14,452,653 and 21,279,720

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Solution

The third proportional to 14,452,653 and 21,279,720 is: 31,331,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452,653 : 21,279,720 = 21,279,720 : x
  2. Step 2: Convert to fraction form
    14,452,653/21,279,720 = 21,279,720/x
  3. Step 3: Cross multiply
    14,452,653x = 21,279,720 × 21,279,720
  4. Step 4: Simplify right side
    14,452,653x = 452,826,483,278,400
  5. Step 5: Solve for x
    x = 452,826,483,278,400/14,452,653
  6. Step 6: Final answer
    x = 31,331,720.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.