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Finding the Third Proportional to 401,169 and 881,394

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Solution

The third proportional to 401,169 and 881,394 is: 1,936,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,169 : 881,394 = 881,394 : x
  2. Step 2: Convert to fraction form
    401,169/881,394 = 881,394/x
  3. Step 3: Cross multiply
    401,169x = 881,394 × 881,394
  4. Step 4: Simplify right side
    401,169x = 776,855,383,236
  5. Step 5: Solve for x
    x = 776,855,383,236/401,169
  6. Step 6: Final answer
    x = 1,936,479.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.