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Finding the Third Proportional to 170,128 and 366,254

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Solution

The third proportional to 170,128 and 366,254 is: 788,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,128 : 366,254 = 366,254 : x
  2. Step 2: Convert to fraction form
    170,128/366,254 = 366,254/x
  3. Step 3: Cross multiply
    170,128x = 366,254 × 366,254
  4. Step 4: Simplify right side
    170,128x = 134,141,992,516
  5. Step 5: Solve for x
    x = 134,141,992,516/170,128
  6. Step 6: Final answer
    x = 788,476.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.