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Finding the Third Proportional to 402,064 and 883,616

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Solution

The third proportional to 402,064 and 883,616 is: 1,941,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,064 : 883,616 = 883,616 : x
  2. Step 2: Convert to fraction form
    402,064/883,616 = 883,616/x
  3. Step 3: Cross multiply
    402,064x = 883,616 × 883,616
  4. Step 4: Simplify right side
    402,064x = 780,777,235,456
  5. Step 5: Solve for x
    x = 780,777,235,456/402,064
  6. Step 6: Final answer
    x = 1,941,922.77

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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.