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Finding the Third Proportional to 728,493 and 1,102,901

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Solution

The third proportional to 728,493 and 1,102,901 is: 1,669,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,493 : 1,102,901 = 1,102,901 : x
  2. Step 2: Convert to fraction form
    728,493/1,102,901 = 1,102,901/x
  3. Step 3: Cross multiply
    728,493x = 1,102,901 × 1,102,901
  4. Step 4: Simplify right side
    728,493x = 1,216,390,615,801
  5. Step 5: Solve for x
    x = 1,216,390,615,801/728,493
  6. Step 6: Final answer
    x = 1,669,735.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.