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Finding the Third Proportional to 103,672 and 279,275

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Solution

The third proportional to 103,672 and 279,275 is: 752,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672 : 279,275 = 279,275 : x
  2. Step 2: Convert to fraction form
    103,672/279,275 = 279,275/x
  3. Step 3: Cross multiply
    103,672x = 279,275 × 279,275
  4. Step 4: Simplify right side
    103,672x = 77,994,525,625
  5. Step 5: Solve for x
    x = 77,994,525,625/103,672
  6. Step 6: Final answer
    x = 752,320.06

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.