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Finding the Third Proportional to 40,373,143.50 and 87,560,979

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Solution

The third proportional to 40,373,143.50 and 87,560,979 is: 189,901,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,373,143.50 : 87,560,979 = 87,560,979 : x
  2. Step 2: Convert to fraction form
    40,373,143.50/87,560,979 = 87,560,979/x
  3. Step 3: Cross multiply
    40,373,143.50x = 87,560,979 × 87,560,979
  4. Step 4: Simplify right side
    40,373,143.50x = 7,666,925,043,438,441
  5. Step 5: Solve for x
    x = 7,666,925,043,438,441/40,373,143.50
  6. Step 6: Final answer
    x = 189,901,612.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.