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Finding the Third Proportional to 20,176,677 and 28,311,867

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Solution

The third proportional to 20,176,677 and 28,311,867 is: 39,727,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,677 : 28,311,867 = 28,311,867 : x
  2. Step 2: Convert to fraction form
    20,176,677/28,311,867 = 28,311,867/x
  3. Step 3: Cross multiply
    20,176,677x = 28,311,867 × 28,311,867
  4. Step 4: Simplify right side
    20,176,677x = 801,561,813,025,689
  5. Step 5: Solve for x
    x = 801,561,813,025,689/20,176,677
  6. Step 6: Final answer
    x = 39,727,146.99

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.