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Finding the Third Proportional to 16,278,316 and 25,193,990

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Solution

The third proportional to 16,278,316 and 25,193,990 is: 38,992,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278,316 : 25,193,990 = 25,193,990 : x
  2. Step 2: Convert to fraction form
    16,278,316/25,193,990 = 25,193,990/x
  3. Step 3: Cross multiply
    16,278,316x = 25,193,990 × 25,193,990
  4. Step 4: Simplify right side
    16,278,316x = 634,737,132,120,100
  5. Step 5: Solve for x
    x = 634,737,132,120,100/16,278,316
  6. Step 6: Final answer
    x = 38,992,800.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.