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Finding the Third Proportional to 100,177,676,705 and 218,355,370,402

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Solution

The third proportional to 100,177,676,705 and 218,355,370,402 is: 475,945,034,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,177,676,705 : 218,355,370,402 = 218,355,370,402 : x
  2. Step 2: Convert to fraction form
    100,177,676,705/218,355,370,402 = 218,355,370,402/x
  3. Step 3: Cross multiply
    100,177,676,705x = 218,355,370,402 × 218,355,370,402
  4. Step 4: Simplify right side
    100,177,676,705x = 47,679,067,783,394,618,245,120
  5. Step 5: Solve for x
    x = 47,679,067,783,394,618,245,120/100,177,676,705
  6. Step 6: Final answer
    x = 475,945,034,379.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.