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Finding the Third Proportional to 54,336,139.50 and 81,288,789.50

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Solution

The third proportional to 54,336,139.50 and 81,288,789.50 is: 121,610,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336,139.50 : 81,288,789.50 = 81,288,789.50 : x
  2. Step 2: Convert to fraction form
    54,336,139.50/81,288,789.50 = 81,288,789.50/x
  3. Step 3: Cross multiply
    54,336,139.50x = 81,288,789.50 × 81,288,789.50
  4. Step 4: Simplify right side
    54,336,139.50x = 6,607,867,298,375,310
  5. Step 5: Solve for x
    x = 6,607,867,298,375,310/54,336,139.50
  6. Step 6: Final answer
    x = 121,610,908.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.