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Finding the Third Proportional to 939,836 and 1,513,273

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Solution

The third proportional to 939,836 and 1,513,273 is: 2,436,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,836 : 1,513,273 = 1,513,273 : x
  2. Step 2: Convert to fraction form
    939,836/1,513,273 = 1,513,273/x
  3. Step 3: Cross multiply
    939,836x = 1,513,273 × 1,513,273
  4. Step 4: Simplify right side
    939,836x = 2,289,995,172,529
  5. Step 5: Solve for x
    x = 2,289,995,172,529/939,836
  6. Step 6: Final answer
    x = 2,436,590.18

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.