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Finding the Third Proportional to 18,196,340 and 38,912,104

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Solution

The third proportional to 18,196,340 and 38,912,104 is: 83,211,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196,340 : 38,912,104 = 38,912,104 : x
  2. Step 2: Convert to fraction form
    18,196,340/38,912,104 = 38,912,104/x
  3. Step 3: Cross multiply
    18,196,340x = 38,912,104 × 38,912,104
  4. Step 4: Simplify right side
    18,196,340x = 1,514,151,837,706,816
  5. Step 5: Solve for x
    x = 1,514,151,837,706,816/18,196,340
  6. Step 6: Final answer
    x = 83,211,889.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.