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Finding the Third Proportional to 3,101,917.78 and 4,718,486.67

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Solution

The third proportional to 3,101,917.78 and 4,718,486.67 is: 7,177,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,917.78 : 4,718,486.67 = 4,718,486.67 : x
  2. Step 2: Convert to fraction form
    3,101,917.78/4,718,486.67 = 4,718,486.67/x
  3. Step 3: Cross multiply
    3,101,917.78x = 4,718,486.67 × 4,718,486.67
  4. Step 4: Simplify right side
    3,101,917.78x = 22,264,116,472,662.02
  5. Step 5: Solve for x
    x = 22,264,116,472,662.02/3,101,917.78
  6. Step 6: Final answer
    x = 7,177,532.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.