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Finding the Third Proportional to 2,615,436 and 5,631,639.75

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Solution

The third proportional to 2,615,436 and 5,631,639.75 is: 12,126,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,436 : 5,631,639.75 = 5,631,639.75 : x
  2. Step 2: Convert to fraction form
    2,615,436/5,631,639.75 = 5,631,639.75/x
  3. Step 3: Cross multiply
    2,615,436x = 5,631,639.75 × 5,631,639.75
  4. Step 4: Simplify right side
    2,615,436x = 31,715,366,273,780.06
  5. Step 5: Solve for x
    x = 31,715,366,273,780.06/2,615,436
  6. Step 6: Final answer
    x = 12,126,225.33

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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.