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Finding the Third Proportional to 508,137 and 743,121

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Solution

The third proportional to 508,137 and 743,121 is: 1,086,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,137 : 743,121 = 743,121 : x
  2. Step 2: Convert to fraction form
    508,137/743,121 = 743,121/x
  3. Step 3: Cross multiply
    508,137x = 743,121 × 743,121
  4. Step 4: Simplify right side
    508,137x = 552,228,820,641
  5. Step 5: Solve for x
    x = 552,228,820,641/508,137
  6. Step 6: Final answer
    x = 1,086,771.52

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.