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Finding the Third Proportional to 265,900 and 399,034

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Solution

The third proportional to 265,900 and 399,034 is: 598,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,900 : 399,034 = 399,034 : x
  2. Step 2: Convert to fraction form
    265,900/399,034 = 399,034/x
  3. Step 3: Cross multiply
    265,900x = 399,034 × 399,034
  4. Step 4: Simplify right side
    265,900x = 159,228,133,156
  5. Step 5: Solve for x
    x = 159,228,133,156/265,900
  6. Step 6: Final answer
    x = 598,827.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.