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Finding the Third Proportional to 19,144,393 and 40,979,828

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Solution

The third proportional to 19,144,393 and 40,979,828 is: 87,720,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,393 : 40,979,828 = 40,979,828 : x
  2. Step 2: Convert to fraction form
    19,144,393/40,979,828 = 40,979,828/x
  3. Step 3: Cross multiply
    19,144,393x = 40,979,828 × 40,979,828
  4. Step 4: Simplify right side
    19,144,393x = 1,679,346,302,909,584
  5. Step 5: Solve for x
    x = 1,679,346,302,909,584/19,144,393
  6. Step 6: Final answer
    x = 87,720,007.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.