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Finding the Third Proportional to 76,724,736.75 and 164,393,221.50

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Solution

The third proportional to 76,724,736.75 and 164,393,221.50 is: 352,234,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,724,736.75 : 164,393,221.50 = 164,393,221.50 : x
  2. Step 2: Convert to fraction form
    76,724,736.75/164,393,221.50 = 164,393,221.50/x
  3. Step 3: Cross multiply
    76,724,736.75x = 164,393,221.50 × 164,393,221.50
  4. Step 4: Simplify right side
    76,724,736.75x = 27,025,131,275,148,064
  5. Step 5: Solve for x
    x = 27,025,131,275,148,064/76,724,736.75
  6. Step 6: Final answer
    x = 352,234,916.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.