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Finding the Third Proportional to 126,431,887.50 and 275,835,901.50

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Solution

The third proportional to 126,431,887.50 and 275,835,901.50 is: 601,789,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431,887.50 : 275,835,901.50 = 275,835,901.50 : x
  2. Step 2: Convert to fraction form
    126,431,887.50/275,835,901.50 = 275,835,901.50/x
  3. Step 3: Cross multiply
    126,431,887.50x = 275,835,901.50 × 275,835,901.50
  4. Step 4: Simplify right side
    126,431,887.50x = 76,085,444,556,317,696
  5. Step 5: Solve for x
    x = 76,085,444,556,317,696/126,431,887.50
  6. Step 6: Final answer
    x = 601,789,991.91

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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.