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Finding the Third Proportional to 976,156 and 1,999,879

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Solution

The third proportional to 976,156 and 1,999,879 is: 4,097,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,156 : 1,999,879 = 1,999,879 : x
  2. Step 2: Convert to fraction form
    976,156/1,999,879 = 1,999,879/x
  3. Step 3: Cross multiply
    976,156x = 1,999,879 × 1,999,879
  4. Step 4: Simplify right side
    976,156x = 3,999,516,014,641
  5. Step 5: Solve for x
    x = 3,999,516,014,641/976,156
  6. Step 6: Final answer
    x = 4,097,209.89

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.