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Finding the Third Proportional to 1,111,348.88 and 2,388,369.75

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Solution

The third proportional to 1,111,348.88 and 2,388,369.75 is: 5,132,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,348.88 : 2,388,369.75 = 2,388,369.75 : x
  2. Step 2: Convert to fraction form
    1,111,348.88/2,388,369.75 = 2,388,369.75/x
  3. Step 3: Cross multiply
    1,111,348.88x = 2,388,369.75 × 2,388,369.75
  4. Step 4: Simplify right side
    1,111,348.88x = 5,704,310,062,715.06
  5. Step 5: Solve for x
    x = 5,704,310,062,715.06/1,111,348.88
  6. Step 6: Final answer
    x = 5,132,780.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.