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Finding the Third Proportional to 27,042,876 and 57,303,639

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Solution

The third proportional to 27,042,876 and 57,303,639 is: 121,425,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042,876 : 57,303,639 = 57,303,639 : x
  2. Step 2: Convert to fraction form
    27,042,876/57,303,639 = 57,303,639/x
  3. Step 3: Cross multiply
    27,042,876x = 57,303,639 × 57,303,639
  4. Step 4: Simplify right side
    27,042,876x = 3,283,707,042,642,321
  5. Step 5: Solve for x
    x = 3,283,707,042,642,321/27,042,876
  6. Step 6: Final answer
    x = 121,425,954.94

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.