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Finding the Third Proportional to 83,628 and 180,887

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Solution

The third proportional to 83,628 and 180,887 is: 391,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,628 : 180,887 = 180,887 : x
  2. Step 2: Convert to fraction form
    83,628/180,887 = 180,887/x
  3. Step 3: Cross multiply
    83,628x = 180,887 × 180,887
  4. Step 4: Simplify right side
    83,628x = 32,720,106,769
  5. Step 5: Solve for x
    x = 32,720,106,769/83,628
  6. Step 6: Final answer
    x = 391,257.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.