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Finding the Third Proportional to 936,432 and 2,209,680

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Solution

The third proportional to 936,432 and 2,209,680 is: 5,214,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,432 : 2,209,680 = 2,209,680 : x
  2. Step 2: Convert to fraction form
    936,432/2,209,680 = 2,209,680/x
  3. Step 3: Cross multiply
    936,432x = 2,209,680 × 2,209,680
  4. Step 4: Simplify right side
    936,432x = 4,882,685,702,400
  5. Step 5: Solve for x
    x = 4,882,685,702,400/936,432
  6. Step 6: Final answer
    x = 5,214,138.03

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.