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Finding the Third Proportional to 8,129,519 and 11,888,942

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Solution

The third proportional to 8,129,519 and 11,888,942 is: 17,386,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,519 : 11,888,942 = 11,888,942 : x
  2. Step 2: Convert to fraction form
    8,129,519/11,888,942 = 11,888,942/x
  3. Step 3: Cross multiply
    8,129,519x = 11,888,942 × 11,888,942
  4. Step 4: Simplify right side
    8,129,519x = 141,346,941,879,364
  5. Step 5: Solve for x
    x = 141,346,941,879,364/8,129,519
  6. Step 6: Final answer
    x = 17,386,876.38

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.