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Finding the Third Proportional to 72,623,733 and 156,724,203

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Solution

The third proportional to 72,623,733 and 156,724,203 is: 338,215,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623,733 : 156,724,203 = 156,724,203 : x
  2. Step 2: Convert to fraction form
    72,623,733/156,724,203 = 156,724,203/x
  3. Step 3: Cross multiply
    72,623,733x = 156,724,203 × 156,724,203
  4. Step 4: Simplify right side
    72,623,733x = 24,562,475,805,985,208
  5. Step 5: Solve for x
    x = 24,562,475,805,985,208/72,623,733
  6. Step 6: Final answer
    x = 338,215,550.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.