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Finding the Third Proportional to 4,981,963.22 and 7,447,008.38

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Solution

The third proportional to 4,981,963.22 and 7,447,008.38 is: 11,131,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,963.22 : 7,447,008.38 = 7,447,008.38 : x
  2. Step 2: Convert to fraction form
    4,981,963.22/7,447,008.38 = 7,447,008.38/x
  3. Step 3: Cross multiply
    4,981,963.22x = 7,447,008.38 × 7,447,008.38
  4. Step 4: Simplify right side
    4,981,963.22x = 55,457,933,737,320.14
  5. Step 5: Solve for x
    x = 55,457,933,737,320.14/4,981,963.22
  6. Step 6: Final answer
    x = 11,131,742.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.