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Finding the Third Proportional to 18,391,920 and 43,354,888

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Solution

The third proportional to 18,391,920 and 43,354,888 is: 102,199,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,920 : 43,354,888 = 43,354,888 : x
  2. Step 2: Convert to fraction form
    18,391,920/43,354,888 = 43,354,888/x
  3. Step 3: Cross multiply
    18,391,920x = 43,354,888 × 43,354,888
  4. Step 4: Simplify right side
    18,391,920x = 1,879,646,313,492,544
  5. Step 5: Solve for x
    x = 1,879,646,313,492,544/18,391,920
  6. Step 6: Final answer
    x = 102,199,569.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.