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Finding the Third Proportional to 266,034,424 and 621,576,455

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Solution

The third proportional to 266,034,424 and 621,576,455 is: 1,452,283,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,034,424 : 621,576,455 = 621,576,455 : x
  2. Step 2: Convert to fraction form
    266,034,424/621,576,455 = 621,576,455/x
  3. Step 3: Cross multiply
    266,034,424x = 621,576,455 × 621,576,455
  4. Step 4: Simplify right side
    266,034,424x = 386,357,289,410,367,040
  5. Step 5: Solve for x
    x = 386,357,289,410,367,040/266,034,424
  6. Step 6: Final answer
    x = 1,452,283,067.74

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.