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Finding the Third Proportional to 19,940,368 and 43,283,912

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Solution

The third proportional to 19,940,368 and 43,283,912 is: 93,954,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,368 : 43,283,912 = 43,283,912 : x
  2. Step 2: Convert to fraction form
    19,940,368/43,283,912 = 43,283,912/x
  3. Step 3: Cross multiply
    19,940,368x = 43,283,912 × 43,283,912
  4. Step 4: Simplify right side
    19,940,368x = 1,873,497,038,023,744
  5. Step 5: Solve for x
    x = 1,873,497,038,023,744/19,940,368
  6. Step 6: Final answer
    x = 93,954,988.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.