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Finding the Third Proportional to 4,115,619 and 8,863,361

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Solution

The third proportional to 4,115,619 and 8,863,361 is: 19,088,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,619 : 8,863,361 = 8,863,361 : x
  2. Step 2: Convert to fraction form
    4,115,619/8,863,361 = 8,863,361/x
  3. Step 3: Cross multiply
    4,115,619x = 8,863,361 × 8,863,361
  4. Step 4: Simplify right side
    4,115,619x = 78,559,168,216,321
  5. Step 5: Solve for x
    x = 78,559,168,216,321/4,115,619
  6. Step 6: Final answer
    x = 19,088,056.55

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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.