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Finding the Third Proportional to 73,723,191 and 163,809,390

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Solution

The third proportional to 73,723,191 and 163,809,390 is: 363,976,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,723,191 : 163,809,390 = 163,809,390 : x
  2. Step 2: Convert to fraction form
    73,723,191/163,809,390 = 163,809,390/x
  3. Step 3: Cross multiply
    73,723,191x = 163,809,390 × 163,809,390
  4. Step 4: Simplify right side
    73,723,191x = 26,833,516,252,172,100
  5. Step 5: Solve for x
    x = 26,833,516,252,172,100/73,723,191
  6. Step 6: Final answer
    x = 363,976,597.98

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.