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Finding the Third Proportional to 2,492,976.75 and 5,358,369.75

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Solution

The third proportional to 2,492,976.75 and 5,358,369.75 is: 11,517,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492,976.75 : 5,358,369.75 = 5,358,369.75 : x
  2. Step 2: Convert to fraction form
    2,492,976.75/5,358,369.75 = 5,358,369.75/x
  3. Step 3: Cross multiply
    2,492,976.75x = 5,358,369.75 × 5,358,369.75
  4. Step 4: Simplify right side
    2,492,976.75x = 28,712,126,377,715.06
  5. Step 5: Solve for x
    x = 28,712,126,377,715.06/2,492,976.75
  6. Step 6: Final answer
    x = 11,517,205.84

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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.