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Finding the Third Proportional to 18,922,268 and 41,426,840

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Solution

The third proportional to 18,922,268 and 41,426,840 is: 90,696,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,268 : 41,426,840 = 41,426,840 : x
  2. Step 2: Convert to fraction form
    18,922,268/41,426,840 = 41,426,840/x
  3. Step 3: Cross multiply
    18,922,268x = 41,426,840 × 41,426,840
  4. Step 4: Simplify right side
    18,922,268x = 1,716,183,072,385,600
  5. Step 5: Solve for x
    x = 1,716,183,072,385,600/18,922,268
  6. Step 6: Final answer
    x = 90,696,478.48

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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.