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Finding the Third Proportional to 128,934,048 and 265,425,936

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Solution

The third proportional to 128,934,048 and 265,425,936 is: 546,410,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,934,048 : 265,425,936 = 265,425,936 : x
  2. Step 2: Convert to fraction form
    128,934,048/265,425,936 = 265,425,936/x
  3. Step 3: Cross multiply
    128,934,048x = 265,425,936 × 265,425,936
  4. Step 4: Simplify right side
    128,934,048x = 70,450,927,501,476,096
  5. Step 5: Solve for x
    x = 70,450,927,501,476,096/128,934,048
  6. Step 6: Final answer
    x = 546,410,576.53

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.