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Finding the Third Proportional to 268,529,894 and 414,657,139

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Solution

The third proportional to 268,529,894 and 414,657,139 is: 640,303,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529,894 : 414,657,139 = 414,657,139 : x
  2. Step 2: Convert to fraction form
    268,529,894/414,657,139 = 414,657,139/x
  3. Step 3: Cross multiply
    268,529,894x = 414,657,139 × 414,657,139
  4. Step 4: Simplify right side
    268,529,894x = 171,940,542,923,665,312
  5. Step 5: Solve for x
    x = 171,940,542,923,665,312/268,529,894
  6. Step 6: Final answer
    x = 640,303,172.07

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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.