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Finding the Third Proportional to 353,007,672.75 and 769,576,590.56

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Solution

The third proportional to 353,007,672.75 and 769,576,590.56 is: 1,677,720,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,007,672.75 : 769,576,590.56 = 769,576,590.56 : x
  2. Step 2: Convert to fraction form
    353,007,672.75/769,576,590.56 = 769,576,590.56/x
  3. Step 3: Cross multiply
    353,007,672.75x = 769,576,590.56 × 769,576,590.56
  4. Step 4: Simplify right side
    353,007,672.75x = 592,248,128,741,801,728
  5. Step 5: Solve for x
    x = 592,248,128,741,801,728/353,007,672.75
  6. Step 6: Final answer
    x = 1,677,720,271.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.