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Finding the Third Proportional to 123,004,702 and 173,021,611

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Solution

The third proportional to 123,004,702 and 173,021,611 is: 243,376,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,004,702 : 173,021,611 = 173,021,611 : x
  2. Step 2: Convert to fraction form
    123,004,702/173,021,611 = 173,021,611/x
  3. Step 3: Cross multiply
    123,004,702x = 173,021,611 × 173,021,611
  4. Step 4: Simplify right side
    123,004,702x = 29,936,477,873,035,320
  5. Step 5: Solve for x
    x = 29,936,477,873,035,320/123,004,702
  6. Step 6: Final answer
    x = 243,376,695.25

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.