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Finding the Third Proportional to 4,387,244 and 6,780,015

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Solution

The third proportional to 4,387,244 and 6,780,015 is: 10,477,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387,244 : 6,780,015 = 6,780,015 : x
  2. Step 2: Convert to fraction form
    4,387,244/6,780,015 = 6,780,015/x
  3. Step 3: Cross multiply
    4,387,244x = 6,780,015 × 6,780,015
  4. Step 4: Simplify right side
    4,387,244x = 45,968,603,400,225
  5. Step 5: Solve for x
    x = 45,968,603,400,225/4,387,244
  6. Step 6: Final answer
    x = 10,477,785.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.