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Finding the Third Proportional to 118,908,123 and 261,199,650

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Solution

The third proportional to 118,908,123 and 261,199,650 is: 573,764,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908,123 : 261,199,650 = 261,199,650 : x
  2. Step 2: Convert to fraction form
    118,908,123/261,199,650 = 261,199,650/x
  3. Step 3: Cross multiply
    118,908,123x = 261,199,650 × 261,199,650
  4. Step 4: Simplify right side
    118,908,123x = 68,225,257,160,122,496
  5. Step 5: Solve for x
    x = 68,225,257,160,122,496/118,908,123
  6. Step 6: Final answer
    x = 573,764,478.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.