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Finding the Third Proportional to 93,888 and 205,515

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Solution

The third proportional to 93,888 and 205,515 is: 449,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888 : 205,515 = 205,515 : x
  2. Step 2: Convert to fraction form
    93,888/205,515 = 205,515/x
  3. Step 3: Cross multiply
    93,888x = 205,515 × 205,515
  4. Step 4: Simplify right side
    93,888x = 42,236,415,225
  5. Step 5: Solve for x
    x = 42,236,415,225/93,888
  6. Step 6: Final answer
    x = 449,859.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.