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Finding the Third Proportional to 18,519,651 and 40,625,010

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Solution

The third proportional to 18,519,651 and 40,625,010 is: 89,115,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,651 : 40,625,010 = 40,625,010 : x
  2. Step 2: Convert to fraction form
    18,519,651/40,625,010 = 40,625,010/x
  3. Step 3: Cross multiply
    18,519,651x = 40,625,010 × 40,625,010
  4. Step 4: Simplify right side
    18,519,651x = 1,650,391,437,500,100
  5. Step 5: Solve for x
    x = 1,650,391,437,500,100/18,519,651
  6. Step 6: Final answer
    x = 89,115,687.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.