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Finding the Third Proportional to 487,954,449 and 743,367,375

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Solution

The third proportional to 487,954,449 and 743,367,375 is: 1,132,472,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,954,449 : 743,367,375 = 743,367,375 : x
  2. Step 2: Convert to fraction form
    487,954,449/743,367,375 = 743,367,375/x
  3. Step 3: Cross multiply
    487,954,449x = 743,367,375 × 743,367,375
  4. Step 4: Simplify right side
    487,954,449x = 552,595,054,214,390,656
  5. Step 5: Solve for x
    x = 552,595,054,214,390,656/487,954,449
  6. Step 6: Final answer
    x = 1,132,472,621.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.