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Finding the Third Proportional to 18,279,556 and 39,705,800.50

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Solution

The third proportional to 18,279,556 and 39,705,800.50 is: 86,246,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,556 : 39,705,800.50 = 39,705,800.50 : x
  2. Step 2: Convert to fraction form
    18,279,556/39,705,800.50 = 39,705,800.50/x
  3. Step 3: Cross multiply
    18,279,556x = 39,705,800.50 × 39,705,800.50
  4. Step 4: Simplify right side
    18,279,556x = 1,576,550,593,345,800.25
  5. Step 5: Solve for x
    x = 1,576,550,593,345,800.25/18,279,556
  6. Step 6: Final answer
    x = 86,246,656.83

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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.