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Finding the Third Proportional to 17,992,815 and 39,180,270

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Solution

The third proportional to 17,992,815 and 39,180,270 is: 85,317,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,815 : 39,180,270 = 39,180,270 : x
  2. Step 2: Convert to fraction form
    17,992,815/39,180,270 = 39,180,270/x
  3. Step 3: Cross multiply
    17,992,815x = 39,180,270 × 39,180,270
  4. Step 4: Simplify right side
    17,992,815x = 1,535,093,557,272,900
  5. Step 5: Solve for x
    x = 1,535,093,557,272,900/17,992,815
  6. Step 6: Final answer
    x = 85,317,031.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.