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Finding the Third Proportional to 784,616 and 1,693,632

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Solution

The third proportional to 784,616 and 1,693,632 is: 3,655,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,616 : 1,693,632 = 1,693,632 : x
  2. Step 2: Convert to fraction form
    784,616/1,693,632 = 1,693,632/x
  3. Step 3: Cross multiply
    784,616x = 1,693,632 × 1,693,632
  4. Step 4: Simplify right side
    784,616x = 2,868,389,351,424
  5. Step 5: Solve for x
    x = 2,868,389,351,424/784,616
  6. Step 6: Final answer
    x = 3,655,787.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.