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Finding the Third Proportional to 100,695,788.75 and 216,885,786.75

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Solution

The third proportional to 100,695,788.75 and 216,885,786.75 is: 467,144,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,695,788.75 : 216,885,786.75 = 216,885,786.75 : x
  2. Step 2: Convert to fraction form
    100,695,788.75/216,885,786.75 = 216,885,786.75/x
  3. Step 3: Cross multiply
    100,695,788.75x = 216,885,786.75 × 216,885,786.75
  4. Step 4: Simplify right side
    100,695,788.75x = 47,039,444,494,166,472
  5. Step 5: Solve for x
    x = 47,039,444,494,166,472/100,695,788.75
  6. Step 6: Final answer
    x = 467,144,108.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.