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Finding the Third Proportional to 68,674,403 and 149,276,664

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Solution

The third proportional to 68,674,403 and 149,276,664 is: 324,480,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,674,403 : 149,276,664 = 149,276,664 : x
  2. Step 2: Convert to fraction form
    68,674,403/149,276,664 = 149,276,664/x
  3. Step 3: Cross multiply
    68,674,403x = 149,276,664 × 149,276,664
  4. Step 4: Simplify right side
    68,674,403x = 22,283,522,414,968,896
  5. Step 5: Solve for x
    x = 22,283,522,414,968,896/68,674,403
  6. Step 6: Final answer
    x = 324,480,759.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.