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Finding the Third Proportional to 18,946,656 and 41,672,448

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Solution

The third proportional to 18,946,656 and 41,672,448 is: 91,656,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,656 : 41,672,448 = 41,672,448 : x
  2. Step 2: Convert to fraction form
    18,946,656/41,672,448 = 41,672,448/x
  3. Step 3: Cross multiply
    18,946,656x = 41,672,448 × 41,672,448
  4. Step 4: Simplify right side
    18,946,656x = 1,736,592,922,312,704
  5. Step 5: Solve for x
    x = 1,736,592,922,312,704/18,946,656
  6. Step 6: Final answer
    x = 91,656,961.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.