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Finding the Third Proportional to 1,636,156 and 3,821,387

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Solution

The third proportional to 1,636,156 and 3,821,387 is: 8,925,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,156 : 3,821,387 = 3,821,387 : x
  2. Step 2: Convert to fraction form
    1,636,156/3,821,387 = 3,821,387/x
  3. Step 3: Cross multiply
    1,636,156x = 3,821,387 × 3,821,387
  4. Step 4: Simplify right side
    1,636,156x = 14,602,998,603,769
  5. Step 5: Solve for x
    x = 14,602,998,603,769/1,636,156
  6. Step 6: Final answer
    x = 8,925,187.21

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.