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Finding the Third Proportional to 503,686 and 760,380

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Solution

The third proportional to 503,686 and 760,380 is: 1,147,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,686 : 760,380 = 760,380 : x
  2. Step 2: Convert to fraction form
    503,686/760,380 = 760,380/x
  3. Step 3: Cross multiply
    503,686x = 760,380 × 760,380
  4. Step 4: Simplify right side
    503,686x = 578,177,744,400
  5. Step 5: Solve for x
    x = 578,177,744,400/503,686
  6. Step 6: Final answer
    x = 1,147,893.22

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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.