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Finding the Third Proportional to 193,822,990 and 425,305,708

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Solution

The third proportional to 193,822,990 and 425,305,708 is: 933,248,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,822,990 : 425,305,708 = 425,305,708 : x
  2. Step 2: Convert to fraction form
    193,822,990/425,305,708 = 425,305,708/x
  3. Step 3: Cross multiply
    193,822,990x = 425,305,708 × 425,305,708
  4. Step 4: Simplify right side
    193,822,990x = 180,884,945,257,381,248
  5. Step 5: Solve for x
    x = 180,884,945,257,381,248/193,822,990
  6. Step 6: Final answer
    x = 933,248,141.81

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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.