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Finding the Third Proportional to 356,472 and 792,639

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Solution

The third proportional to 356,472 and 792,639 is: 1,762,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,472 : 792,639 = 792,639 : x
  2. Step 2: Convert to fraction form
    356,472/792,639 = 792,639/x
  3. Step 3: Cross multiply
    356,472x = 792,639 × 792,639
  4. Step 4: Simplify right side
    356,472x = 628,276,584,321
  5. Step 5: Solve for x
    x = 628,276,584,321/356,472
  6. Step 6: Final answer
    x = 1,762,485.09

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.