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Finding the Third Proportional to 873,629 and 1,868,701

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Solution

The third proportional to 873,629 and 1,868,701 is: 3,997,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,629 : 1,868,701 = 1,868,701 : x
  2. Step 2: Convert to fraction form
    873,629/1,868,701 = 1,868,701/x
  3. Step 3: Cross multiply
    873,629x = 1,868,701 × 1,868,701
  4. Step 4: Simplify right side
    873,629x = 3,492,043,427,401
  5. Step 5: Solve for x
    x = 3,492,043,427,401/873,629
  6. Step 6: Final answer
    x = 3,997,169.77

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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.