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Finding the Third Proportional to 81,267,372 and 173,556,252

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Solution

The third proportional to 81,267,372 and 173,556,252 is: 370,650,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267,372 : 173,556,252 = 173,556,252 : x
  2. Step 2: Convert to fraction form
    81,267,372/173,556,252 = 173,556,252/x
  3. Step 3: Cross multiply
    81,267,372x = 173,556,252 × 173,556,252
  4. Step 4: Simplify right side
    81,267,372x = 30,121,772,608,287,504
  5. Step 5: Solve for x
    x = 30,121,772,608,287,504/81,267,372
  6. Step 6: Final answer
    x = 370,650,260.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.