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Finding the Third Proportional to 149,810,949 and 328,260,663

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Solution

The third proportional to 149,810,949 and 328,260,663 is: 719,273,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,810,949 : 328,260,663 = 328,260,663 : x
  2. Step 2: Convert to fraction form
    149,810,949/328,260,663 = 328,260,663/x
  3. Step 3: Cross multiply
    149,810,949x = 328,260,663 × 328,260,663
  4. Step 4: Simplify right side
    149,810,949x = 107,755,062,873,199,568
  5. Step 5: Solve for x
    x = 107,755,062,873,199,568/149,810,949
  6. Step 6: Final answer
    x = 719,273,615.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.