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Finding the Third Proportional to 728,153 and 1,092,229

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Solution

The third proportional to 728,153 and 1,092,229 is: 1,638,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,153 : 1,092,229 = 1,092,229 : x
  2. Step 2: Convert to fraction form
    728,153/1,092,229 = 1,092,229/x
  3. Step 3: Cross multiply
    728,153x = 1,092,229 × 1,092,229
  4. Step 4: Simplify right side
    728,153x = 1,192,964,188,441
  5. Step 5: Solve for x
    x = 1,192,964,188,441/728,153
  6. Step 6: Final answer
    x = 1,638,342.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.