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Finding the Third Proportional to 14,215,186 and 20,789,643

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Solution

The third proportional to 14,215,186 and 20,789,643 is: 30,404,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,186 : 20,789,643 = 20,789,643 : x
  2. Step 2: Convert to fraction form
    14,215,186/20,789,643 = 20,789,643/x
  3. Step 3: Cross multiply
    14,215,186x = 20,789,643 × 20,789,643
  4. Step 4: Simplify right side
    14,215,186x = 432,209,256,067,449
  5. Step 5: Solve for x
    x = 432,209,256,067,449/14,215,186
  6. Step 6: Final answer
    x = 30,404,755.59

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.