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Finding the Third Proportional to 11,957,065 and 18,565,454

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Solution

The third proportional to 11,957,065 and 18,565,454 is: 28,826,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957,065 : 18,565,454 = 18,565,454 : x
  2. Step 2: Convert to fraction form
    11,957,065/18,565,454 = 18,565,454/x
  3. Step 3: Cross multiply
    11,957,065x = 18,565,454 × 18,565,454
  4. Step 4: Simplify right side
    11,957,065x = 344,676,082,226,116
  5. Step 5: Solve for x
    x = 344,676,082,226,116/11,957,065
  6. Step 6: Final answer
    x = 28,826,144.39

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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.