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Finding the Third Proportional to 269,539,355 and 414,045,422

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Solution

The third proportional to 269,539,355 and 414,045,422 is: 636,024,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,539,355 : 414,045,422 = 414,045,422 : x
  2. Step 2: Convert to fraction form
    269,539,355/414,045,422 = 414,045,422/x
  3. Step 3: Cross multiply
    269,539,355x = 414,045,422 × 414,045,422
  4. Step 4: Simplify right side
    269,539,355x = 171,433,611,479,158,080
  5. Step 5: Solve for x
    x = 171,433,611,479,158,080/269,539,355
  6. Step 6: Final answer
    x = 636,024,418.32

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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.