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Finding the Third Proportional to 19,290,391 and 41,609,601

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Solution

The third proportional to 19,290,391 and 41,609,601 is: 89,752,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290,391 : 41,609,601 = 41,609,601 : x
  2. Step 2: Convert to fraction form
    19,290,391/41,609,601 = 41,609,601/x
  3. Step 3: Cross multiply
    19,290,391x = 41,609,601 × 41,609,601
  4. Step 4: Simplify right side
    19,290,391x = 1,731,358,895,379,201
  5. Step 5: Solve for x
    x = 1,731,358,895,379,201/19,290,391
  6. Step 6: Final answer
    x = 89,752,400.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.