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Finding the Third Proportional to 5,551,513.50 and 12,379,479.75

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Solution

The third proportional to 5,551,513.50 and 12,379,479.75 is: 27,605,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551,513.50 : 12,379,479.75 = 12,379,479.75 : x
  2. Step 2: Convert to fraction form
    5,551,513.50/12,379,479.75 = 12,379,479.75/x
  3. Step 3: Cross multiply
    5,551,513.50x = 12,379,479.75 × 12,379,479.75
  4. Step 4: Simplify right side
    5,551,513.50x = 153,251,518,880,660.06
  5. Step 5: Solve for x
    x = 153,251,518,880,660.06/5,551,513.50
  6. Step 6: Final answer
    x = 27,605,358.23

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.