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Finding the Third Proportional to 29,218,968 and 45,419,940

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Solution

The third proportional to 29,218,968 and 45,419,940 is: 70,603,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218,968 : 45,419,940 = 45,419,940 : x
  2. Step 2: Convert to fraction form
    29,218,968/45,419,940 = 45,419,940/x
  3. Step 3: Cross multiply
    29,218,968x = 45,419,940 × 45,419,940
  4. Step 4: Simplify right side
    29,218,968x = 2,062,970,949,603,600
  5. Step 5: Solve for x
    x = 2,062,970,949,603,600/29,218,968
  6. Step 6: Final answer
    x = 70,603,826.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.