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Finding the Third Proportional to 679,556,494.50 and 1,049,377,180.50

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Solution

The third proportional to 679,556,494.50 and 1,049,377,180.50 is: 1,620,457,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,556,494.50 : 1,049,377,180.50 = 1,049,377,180.50 : x
  2. Step 2: Convert to fraction form
    679,556,494.50/1,049,377,180.50 = 1,049,377,180.50/x
  3. Step 3: Cross multiply
    679,556,494.50x = 1,049,377,180.50 × 1,049,377,180.50
  4. Step 4: Simplify right side
    679,556,494.50x = 1,101,192,466,954,129,536
  5. Step 5: Solve for x
    x = 1,101,192,466,954,129,536/679,556,494.50
  6. Step 6: Final answer
    x = 1,620,457,571.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.