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Finding the Third Proportional to 216,977,418 and 327,483,940

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Solution

The third proportional to 216,977,418 and 327,483,940 is: 494,271,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,977,418 : 327,483,940 = 327,483,940 : x
  2. Step 2: Convert to fraction form
    216,977,418/327,483,940 = 327,483,940/x
  3. Step 3: Cross multiply
    216,977,418x = 327,483,940 × 327,483,940
  4. Step 4: Simplify right side
    216,977,418x = 107,245,730,957,923,600
  5. Step 5: Solve for x
    x = 107,245,730,957,923,600/216,977,418
  6. Step 6: Final answer
    x = 494,271,394.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.