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Finding the Third Proportional to 402,795,177 and 621,986,244

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Solution

The third proportional to 402,795,177 and 621,986,244 is: 960,455,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,795,177 : 621,986,244 = 621,986,244 : x
  2. Step 2: Convert to fraction form
    402,795,177/621,986,244 = 621,986,244/x
  3. Step 3: Cross multiply
    402,795,177x = 621,986,244 × 621,986,244
  4. Step 4: Simplify right side
    402,795,177x = 386,866,887,725,227,520
  5. Step 5: Solve for x
    x = 386,866,887,725,227,520/402,795,177
  6. Step 6: Final answer
    x = 960,455,610.73

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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.