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Finding the Third Proportional to 268,529,892 and 414,657,140

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Solution

The third proportional to 268,529,892 and 414,657,140 is: 640,303,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529,892 : 414,657,140 = 414,657,140 : x
  2. Step 2: Convert to fraction form
    268,529,892/414,657,140 = 414,657,140/x
  3. Step 3: Cross multiply
    268,529,892x = 414,657,140 × 414,657,140
  4. Step 4: Simplify right side
    268,529,892x = 171,940,543,752,979,584
  5. Step 5: Solve for x
    x = 171,940,543,752,979,584/268,529,892
  6. Step 6: Final answer
    x = 640,303,179.93

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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.