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Finding the Third Proportional to 36,177,043.50 and 78,858,711

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Solution

The third proportional to 36,177,043.50 and 78,858,711 is: 171,896,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177,043.50 : 78,858,711 = 78,858,711 : x
  2. Step 2: Convert to fraction form
    36,177,043.50/78,858,711 = 78,858,711/x
  3. Step 3: Cross multiply
    36,177,043.50x = 78,858,711 × 78,858,711
  4. Step 4: Simplify right side
    36,177,043.50x = 6,218,696,300,581,521
  5. Step 5: Solve for x
    x = 6,218,696,300,581,521/36,177,043.50
  6. Step 6: Final answer
    x = 171,896,199.88

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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.