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Finding the Third Proportional to 873,676 and 1,868,793

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Solution

The third proportional to 873,676 and 1,868,793 is: 3,997,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,676 : 1,868,793 = 1,868,793 : x
  2. Step 2: Convert to fraction form
    873,676/1,868,793 = 1,868,793/x
  3. Step 3: Cross multiply
    873,676x = 1,868,793 × 1,868,793
  4. Step 4: Simplify right side
    873,676x = 3,492,387,276,849
  5. Step 5: Solve for x
    x = 3,492,387,276,849/873,676
  6. Step 6: Final answer
    x = 3,997,348.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.