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Finding the Third Proportional to 268,529,878 and 414,657,103

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Solution

The third proportional to 268,529,878 and 414,657,103 is: 640,303,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529,878 : 414,657,103 = 414,657,103 : x
  2. Step 2: Convert to fraction form
    268,529,878/414,657,103 = 414,657,103/x
  3. Step 3: Cross multiply
    268,529,878x = 414,657,103 × 414,657,103
  4. Step 4: Simplify right side
    268,529,878x = 171,940,513,068,352,608
  5. Step 5: Solve for x
    x = 171,940,513,068,352,608/268,529,878
  6. Step 6: Final answer
    x = 640,303,099.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.