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Finding the Third Proportional to 18,922,270 and 41,426,844

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Solution

The third proportional to 18,922,270 and 41,426,844 is: 90,696,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,270 : 41,426,844 = 41,426,844 : x
  2. Step 2: Convert to fraction form
    18,922,270/41,426,844 = 41,426,844/x
  3. Step 3: Cross multiply
    18,922,270x = 41,426,844 × 41,426,844
  4. Step 4: Simplify right side
    18,922,270x = 1,716,183,403,800,336
  5. Step 5: Solve for x
    x = 1,716,183,403,800,336/18,922,270
  6. Step 6: Final answer
    x = 90,696,486.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.