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Finding the Third Proportional to 4,159,894 and 8,940,680

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Solution

The third proportional to 4,159,894 and 8,940,680 is: 19,215,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159,894 : 8,940,680 = 8,940,680 : x
  2. Step 2: Convert to fraction form
    4,159,894/8,940,680 = 8,940,680/x
  3. Step 3: Cross multiply
    4,159,894x = 8,940,680 × 8,940,680
  4. Step 4: Simplify right side
    4,159,894x = 79,935,758,862,400
  5. Step 5: Solve for x
    x = 79,935,758,862,400/4,159,894
  6. Step 6: Final answer
    x = 19,215,816.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.