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Finding the Third Proportional to 726,192 and 1,119,912

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Solution

The third proportional to 726,192 and 1,119,912 is: 1,727,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,192 : 1,119,912 = 1,119,912 : x
  2. Step 2: Convert to fraction form
    726,192/1,119,912 = 1,119,912/x
  3. Step 3: Cross multiply
    726,192x = 1,119,912 × 1,119,912
  4. Step 4: Simplify right side
    726,192x = 1,254,202,887,744
  5. Step 5: Solve for x
    x = 1,254,202,887,744/726,192
  6. Step 6: Final answer
    x = 1,727,095.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.