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Finding the Third Proportional to 18,313,801 and 38,134,742

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Solution

The third proportional to 18,313,801 and 38,134,742 is: 79,407,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313,801 : 38,134,742 = 38,134,742 : x
  2. Step 2: Convert to fraction form
    18,313,801/38,134,742 = 38,134,742/x
  3. Step 3: Cross multiply
    18,313,801x = 38,134,742 × 38,134,742
  4. Step 4: Simplify right side
    18,313,801x = 1,454,258,547,406,564
  5. Step 5: Solve for x
    x = 1,454,258,547,406,564/18,313,801
  6. Step 6: Final answer
    x = 79,407,794.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.