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Finding the Third Proportional to 119,844 and 172,638

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Solution

The third proportional to 119,844 and 172,638 is: 248,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,844 : 172,638 = 172,638 : x
  2. Step 2: Convert to fraction form
    119,844/172,638 = 172,638/x
  3. Step 3: Cross multiply
    119,844x = 172,638 × 172,638
  4. Step 4: Simplify right side
    119,844x = 29,803,879,044
  5. Step 5: Solve for x
    x = 29,803,879,044/119,844
  6. Step 6: Final answer
    x = 248,688.95

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.