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Finding the Third Proportional to 14,215,074 and 20,789,489

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Solution

The third proportional to 14,215,074 and 20,789,489 is: 30,404,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,074 : 20,789,489 = 20,789,489 : x
  2. Step 2: Convert to fraction form
    14,215,074/20,789,489 = 20,789,489/x
  3. Step 3: Cross multiply
    14,215,074x = 20,789,489 × 20,789,489
  4. Step 4: Simplify right side
    14,215,074x = 432,202,852,881,121
  5. Step 5: Solve for x
    x = 432,202,852,881,121/14,215,074
  6. Step 6: Final answer
    x = 30,404,544.70

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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.