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Finding the Third Proportional to 268,529,948 and 414,657,218

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Solution

The third proportional to 268,529,948 and 414,657,218 is: 640,303,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529,948 : 414,657,218 = 414,657,218 : x
  2. Step 2: Convert to fraction form
    268,529,948/414,657,218 = 414,657,218/x
  3. Step 3: Cross multiply
    268,529,948x = 414,657,218 × 414,657,218
  4. Step 4: Simplify right side
    268,529,948x = 171,940,608,439,499,520
  5. Step 5: Solve for x
    x = 171,940,608,439,499,520/268,529,948
  6. Step 6: Final answer
    x = 640,303,287.29

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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.