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Finding the Third Proportional to 20,196,869 and 31,986,161

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Solution

The third proportional to 20,196,869 and 31,986,161 is: 50,657,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,869 : 31,986,161 = 31,986,161 : x
  2. Step 2: Convert to fraction form
    20,196,869/31,986,161 = 31,986,161/x
  3. Step 3: Cross multiply
    20,196,869x = 31,986,161 × 31,986,161
  4. Step 4: Simplify right side
    20,196,869x = 1,023,114,495,517,921
  5. Step 5: Solve for x
    x = 1,023,114,495,517,921/20,196,869
  6. Step 6: Final answer
    x = 50,657,084.30

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.