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Finding the Third Proportional to 155,656,815 and 228,800,790

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Solution

The third proportional to 155,656,815 and 228,800,790 is: 336,315,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,656,815 : 228,800,790 = 228,800,790 : x
  2. Step 2: Convert to fraction form
    155,656,815/228,800,790 = 228,800,790/x
  3. Step 3: Cross multiply
    155,656,815x = 228,800,790 × 228,800,790
  4. Step 4: Simplify right side
    155,656,815x = 52,349,801,504,624,096
  5. Step 5: Solve for x
    x = 52,349,801,504,624,096/155,656,815
  6. Step 6: Final answer
    x = 336,315,512.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.