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Finding the Third Proportional to 88,718,917.50 and 193,060,136.50

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Solution

The third proportional to 88,718,917.50 and 193,060,136.50 is: 420,115,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718,917.50 : 193,060,136.50 = 193,060,136.50 : x
  2. Step 2: Convert to fraction form
    88,718,917.50/193,060,136.50 = 193,060,136.50/x
  3. Step 3: Cross multiply
    88,718,917.50x = 193,060,136.50 × 193,060,136.50
  4. Step 4: Simplify right side
    88,718,917.50x = 37,272,216,305,398,632
  5. Step 5: Solve for x
    x = 37,272,216,305,398,632/88,718,917.50
  6. Step 6: Final answer
    x = 420,115,769.62

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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.