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Finding the Third Proportional to 268,529,701.50 and 414,656,840.25

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Solution

The third proportional to 268,529,701.50 and 414,656,840.25 is: 640,302,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529,701.50 : 414,656,840.25 = 414,656,840.25 : x
  2. Step 2: Convert to fraction form
    268,529,701.50/414,656,840.25 = 414,656,840.25/x
  3. Step 3: Cross multiply
    268,529,701.50x = 414,656,840.25 × 414,656,840.25
  4. Step 4: Simplify right side
    268,529,701.50x = 171,940,295,166,114,016
  5. Step 5: Solve for x
    x = 171,940,295,166,114,016/268,529,701.50
  6. Step 6: Final answer
    x = 640,302,708.44

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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.