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Finding the Third Proportional to 392,826 and 600,672

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Solution

The third proportional to 392,826 and 600,672 is: 918,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,826 : 600,672 = 600,672 : x
  2. Step 2: Convert to fraction form
    392,826/600,672 = 600,672/x
  3. Step 3: Cross multiply
    392,826x = 600,672 × 600,672
  4. Step 4: Simplify right side
    392,826x = 360,806,851,584
  5. Step 5: Solve for x
    x = 360,806,851,584/392,826
  6. Step 6: Final answer
    x = 918,490.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.