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Finding the Third Proportional to 68,674,406 and 149,276,668

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Solution

The third proportional to 68,674,406 and 149,276,668 is: 324,480,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,674,406 : 149,276,668 = 149,276,668 : x
  2. Step 2: Convert to fraction form
    68,674,406/149,276,668 = 149,276,668/x
  3. Step 3: Cross multiply
    68,674,406x = 149,276,668 × 149,276,668
  4. Step 4: Simplify right side
    68,674,406x = 22,283,523,609,182,224
  5. Step 5: Solve for x
    x = 22,283,523,609,182,224/68,674,406
  6. Step 6: Final answer
    x = 324,480,762.30

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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.