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Finding the Third Proportional to 4,276,156 and 9,220,715

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Solution

The third proportional to 4,276,156 and 9,220,715 is: 19,882,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276,156 : 9,220,715 = 9,220,715 : x
  2. Step 2: Convert to fraction form
    4,276,156/9,220,715 = 9,220,715/x
  3. Step 3: Cross multiply
    4,276,156x = 9,220,715 × 9,220,715
  4. Step 4: Simplify right side
    4,276,156x = 85,021,585,111,225
  5. Step 5: Solve for x
    x = 85,021,585,111,225/4,276,156
  6. Step 6: Final answer
    x = 19,882,713.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.