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Finding the Third Proportional to 432,874 and 939,677

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Solution

The third proportional to 432,874 and 939,677 is: 2,039,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,874 : 939,677 = 939,677 : x
  2. Step 2: Convert to fraction form
    432,874/939,677 = 939,677/x
  3. Step 3: Cross multiply
    432,874x = 939,677 × 939,677
  4. Step 4: Simplify right side
    432,874x = 882,992,864,329
  5. Step 5: Solve for x
    x = 882,992,864,329/432,874
  6. Step 6: Final answer
    x = 2,039,838.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.