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Finding the Third Proportional to 169,173,618.19 and 269,188,477.88

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Solution

The third proportional to 169,173,618.19 and 269,188,477.88 is: 428,331,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,173,618.19 : 269,188,477.88 = 269,188,477.88 : x
  2. Step 2: Convert to fraction form
    169,173,618.19/269,188,477.88 = 269,188,477.88/x
  3. Step 3: Cross multiply
    169,173,618.19x = 269,188,477.88 × 269,188,477.88
  4. Step 4: Simplify right side
    169,173,618.19x = 72,462,436,620,659,360
  5. Step 5: Solve for x
    x = 72,462,436,620,659,360/169,173,618.19
  6. Step 6: Final answer
    x = 428,331,777.71

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.