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Finding the Third Proportional to 58,799 and 128,173

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Solution

The third proportional to 58,799 and 128,173 is: 279,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,799 : 128,173 = 128,173 : x
  2. Step 2: Convert to fraction form
    58,799/128,173 = 128,173/x
  3. Step 3: Cross multiply
    58,799x = 128,173 × 128,173
  4. Step 4: Simplify right side
    58,799x = 16,428,317,929
  5. Step 5: Solve for x
    x = 16,428,317,929/58,799
  6. Step 6: Final answer
    x = 279,397.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.