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Finding the Third Proportional to 89,643,309.75 and 131,901,563.25

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Solution

The third proportional to 89,643,309.75 and 131,901,563.25 is: 194,080,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643,309.75 : 131,901,563.25 = 131,901,563.25 : x
  2. Step 2: Convert to fraction form
    89,643,309.75/131,901,563.25 = 131,901,563.25/x
  3. Step 3: Cross multiply
    89,643,309.75x = 131,901,563.25 × 131,901,563.25
  4. Step 4: Simplify right side
    89,643,309.75x = 17,398,022,387,793,750
  5. Step 5: Solve for x
    x = 17,398,022,387,793,750/89,643,309.75
  6. Step 6: Final answer
    x = 194,080,544.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.