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Finding the Third Proportional to 664,946 and 1,377,190

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Solution

The third proportional to 664,946 and 1,377,190 is: 2,852,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,946 : 1,377,190 = 1,377,190 : x
  2. Step 2: Convert to fraction form
    664,946/1,377,190 = 1,377,190/x
  3. Step 3: Cross multiply
    664,946x = 1,377,190 × 1,377,190
  4. Step 4: Simplify right side
    664,946x = 1,896,652,296,100
  5. Step 5: Solve for x
    x = 1,896,652,296,100/664,946
  6. Step 6: Final answer
    x = 2,852,340.33

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.