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Finding the Third Proportional to 165,013,571.25 and 349,697,722.50

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Solution

The third proportional to 165,013,571.25 and 349,697,722.50 is: 741,081,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013,571.25 : 349,697,722.50 = 349,697,722.50 : x
  2. Step 2: Convert to fraction form
    165,013,571.25/349,697,722.50 = 349,697,722.50/x
  3. Step 3: Cross multiply
    165,013,571.25x = 349,697,722.50 × 349,697,722.50
  4. Step 4: Simplify right side
    165,013,571.25x = 122,288,497,121,687,008
  5. Step 5: Solve for x
    x = 122,288,497,121,687,008/165,013,571.25
  6. Step 6: Final answer
    x = 741,081,452.85

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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.